Physical Science Ch. 11

What do ionic bonds and covalent bonds have in common?

• Both types of bonds involve only one electron.

• Both types of bonds involve valence electrons.

• Electrons are transferred from one atom to another in both types of bonds.

• Electrons are shared between atoms in both types of bonds.

Which type of element pairs can form ionic bonds?

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• any combination of the two types

Which of the following is an atom that has gained or lost an electron and is no longer neutral?

• compound

• ion

• molecule

• isotope

Which of the following contains polar bonds?

• sodium fluoride

• nitrogen molecules

• magnesium chloride

• water molecules

Which of the following is formed between atoms when they share electrons?

• ionic bond

• salt

• covalent bond

• electrical bond

In the formula H₂O, what does the number 2 indicate?

• There are two atoms of hydrogen in this molecule.

• Each hydrogen atom loses two electrons to the oxygen atom.

• Each hydrogen atom gains two electrons from the oxygen atom.

• Two atoms each of hydrogen and oxygen are in this molecule.

Tags

NGSS.MS-PS1-1

Which of the following is a method of representing atoms and the electrons in their outer energy levels?

• electron dot diagram

• chemical symbol

• chemical formula

• chemical equation

Which of the following is a pure substance that contains two or more elements?

• compound

• ion

• molecule

• solution

What is a common property of nonmetals?

• shininess

• malleability

• poor conductors

• ductility

From left to right, what is the order of sections on a periodic table?

• nonmetals, metalloids, and metals

• metals, nonmetals, and metalloids

• metalloids, metals, and nonmetals

• metals, metalloids, and nonmetals