Chlorine has seven electrons in its valence shell. It accepts an electron to complete its octet and becomes a chlorine ion (Cl). What is the nature of this chlorine ion? O A. Cation O B. Anion O C. Metal ion

Q: An atom that has lost or gained one or more electrons iscalled a(n)______ . If an atom loses an…

A: All compounds are made up of atoms. In order to get stability an atom can lose or accept electrons.…

Q: Which of the following statements is not true concerning the three molecules shown below? A B I. The…

A: The molecules having the same molecular formula but the structural arrangement of atoms in the…

Q: The atomic number of sulfur is 16, Sulfur combines with hydrogen by covalent bonding to form a…

A: Every element has smallest unit of matter called atom that retain the properties of an element.…

Q: How many valence electrons are in Oxygen

A: Valency is defined as the combining capacity of the element. It is determined by the number of…

Q: If you are told you have an element with an atomic number of 16 and its in group VIA. What does this…

A: In modern periodic table sulphur has atomic number 16 and it is a group VIA element.

Q: With the exception of He, elements with two valence electrons will be considered: O Metals…

A: A valence electron is an electron that is associated with an atom, and that can participate in the…

Q: An isotope of sodium (Na) has a mass number of 22 and an atomic number of 11.how many neutrons does…

A:

Q: Isotopes differ in theira. number of protons.b. atomic number.c. number of neutrons.d. number of…

A: Isotopes are called atoms of the same element, which vary in their neutron numbers. Most isotopes…

Q: If you added one more proton to an atom of iron, then what element would it become?   A. Cobalt   B.…

A: Proton carries a positive electrical charge and they alone determine the nucleus charge.Hence adding…

Q: Carbon is electroneutral because it has four electrons in it's valence shell true or false ?

A: The carbon element is known to have 4 electrons in its valence shell. The electronic configuration…

Q: A covalent bond forms whena. electrons are present in a valence shell.b. a valence electron is…

A: Answer is c.) a pair of valence electrons is sharef between two atoms.

Q: Complete the following diagram illustrating ionic bonds. Atom X gives one electron to each atom Y.…

A: The atom is made up of three parts neutron, electrons, and proton. The neutrons are neutral and the…

Q: The atomic number on the periodic table tells us how many are in the atom. * O protons O neutrons O…

A: All biomolecules are made us of the basic chemical elements that why Biology and chemistry go hand…

Q: Arrange in order of increasing atomic size. (a) the period 2 elements Li, C, and F (b) the group…

A: According to the question, we have to arrange the following period or group elements in order of…

Q: The element phosphorus is needed in organisms to builda. proteins.b. carbohydrates.c. ATP.d.…

A: Introduction  All organisms need nutrients to grow. These nutrients are classified into two types:…

Q: What interactions occur between the following molecules and ions? a. water and ammonia b. lactate…

A: When another polar molecule such as ammonia is added to water, it dissolves because of the…

Q: How many total atoms would be in one formula unit of (NH4)3PO4? 20, 4, 18, 16

A: Ammonium phosphate fertilizes lawns that are deficient in nitrogen and phosphates. Ammonium…

Q: Molecules that are found in living cells and contain the element___________ are considered organic…

A: Cell, in science, the essential membrane-bound unit that contains the central molecules of everyday…

Q: Covalent bonds involve_____ a)electrostatic attraction b)sharing electrons c)valence…

A: Bond polarity is the separation of electric charge across a bond, which makes the molecule to have…

Q: The atomic number gives thea. number of neutrons in the nucleus.b. number of protons in the…

A: An atom is defined as the smallest particle of an element. They constitute of neutrons, protons and…

Q: if 10 magnesium atoms and 10 chlorine atoms were allowed to bump into each other, could they combine…

A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…

Q: Do a web search to identify each of the following elements>isotopes and indicate the number of…

A: Atoms are the small particles that contain three main types of subatomic particles.

Q: Sodium (Na) atoms often lose the single electron that is in their outermost shell. How does losing…

A:

Q: Elements are.. O A pure substance When there is more than one atom O Made of two or more substances

A: The matter is made up of chemical substances that occupy space and it consists of a particular mass.…

Q: How many electrons does a neutral Chlorine (Cl) atom have in its outermost electron shell?

A: The negatively charged sub-atomic particles of an present, present inside its nucleus are known as…

Q: If you add an electron to fluorine, what will result? A) a negatively charged anion O B) a different…

A: Anion: negatively charged ion. Cation: positively charged ion.

Q: A Determine how much sodium and similar elements are normally found in the human booy B. Determine…

A: Asked : Reason for element are safe for humans to consume from given options.

Q: Magnesium has an atomic number of 12 and an atomic mass of 24. Which of the following statements is…

A: Magnesium is a chemical element with the symbol Mg and atomic number 12.

Q: the following? A. Thiamine B. Selenium C. Zinc

A: The clinical scenario is suggestive of keshan  disease which is an endemic cardiomyopathy found in…

Q: In the periodic table, the elements are arrangedaccording to ________ .a. size c. mass numberb.…

A: A periodic table is a tabular table. It displays all the chemical elements in this table. Over time…

Q: A(n). is the smallest unit of an element that retains all the properties of that element. O molecule…

A: Elements are substances that cannot be further broken into particles. An element consists of types…

Q: Look up the valence electron configuration, covalent atomic radius, effective nuclear charge, first…

A: The valence shell electronic configuration of the p-block elements is ns2np1–6, and they are found…

Q: A student drew atomic models of four elements. Tin, because it has five energy levels with four…

A: Neon - It's a chemical element, it's symbol is Ne and it's atomic number is 10 , it's a nobel gas,…

Q: An isotope of sodium (Na) has a mass number of 22. How many neutrons does it have?a. 11b. 12c. 22d.…

A: Isotopes are members of a family of an element that all have the same number of protons but…

Q: A covalent bond consists of a pair of shared electrons between two atoms. How does this shared pair…

A: Covalent bonds are formed by the mutual sharing of the electrons between two atoms having…

Q: Which statement is false? A. Elements are found in compounds and molecules B. compounds are made…

A: The pure substances consisting of only atoms with the same number of protons and cannot be…

Q: Select the sentence that correctly describes the relationship between this pair of molecules. a…

A: EXPLANATION:  they are not optically active compounds so they can not be enantiomers.

Q: A molecule of water is formed when one atom of oxygen is covalently bonded with two atoms of…

A: Covalent bonds are formed by sharing of electrons. In the water molecule, there are two covalent…

Q: Nonsilicates are a group of minerals that DO NOT contain what two elements? A. silver and gold B.…

A: Answer-B. Silicon and oxygen

Q: What is formed when an atom loses or gains an electron? O a. ion O b. bond O C. molecule O d. a new…

A: Molecules of every substances are made up of small particles. These are called atoms. Bohr's model…

Q: Noncovalent bonds include all of the following except: a. van der Waals interaction b. ionic bonds…

A: Non-covalent bond is a type of chemical bond that does not involve in sharing of electrons whereas…

Q: Which of the following ideas about electrons was suggested by Niels Bohr? *

A: Niels Bohr Proposed a theory for hydrogen atom in 1913.

Q: Ammonia gas would be classified as (1) a compound (2) a mixture (3) an element (4) an atom

A: AMMONIA GAS IS CLASSIFIED AS COMPOUND.

Q: What is a proton? A. A negatively charged particle B. A positively charged particle C. An element on…

A:

Q: OCCURS IN WATER WITI 1. cobalt 2. strontium 3. selenium 4. vanadium

A: Osteoarthritis, also known as degenerative joint disease (DJD), is one of the most common type of…

Q: The partial negative charge at one end of a water molecule is attracted to the partial positive…

A: A chemical compound is formed when two or more different atoms chemically bond together. Carbon…

Q: Which element is a metal? A. C B. Rn C. CI D. Cr

A: The classification of chemicals into different groups and understanding their properties individual…

Q: Use valence bond theory to explain the bonding in O2. Sketch the overlap of the atomic orbitals…

A: Oxygen is the chemical element and it is denoted by the symbol O. It has 8 atoms. It is an oxidizing…