Chapter 11: Elements and Chemical Bonds Test

Which of the following is a compound?

• gold

• oxygen

• neon

• water

Tags

NGSS.MS-PS1-1

The energy levels of an atom are occupied by _______?

• electrons

• protons

• neutrons

• ions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms that gain electrons become ions with a ___________ charge.

• equal

• negative

• positive

• like

Why is water a covalent bond?

• Water forms solid crystals over a given amount of time.

• The electrons from the hydrogen and oxygen in water are shared in a pool.

• Water is two nonmetal atoms which share electrons forming a molecule.

• Hydrogen and oxygen gain and lose electrons when forming the molecule water.

Tags

NGSS.MS-PS1-1

Which type of bond is salt?

• ionic

• covalent

• metallic

• valence

The particles that make up an atom are ______.

• electrons, protons, and nuclei

• elements, protons, and electrons

• protons, neutrons, and nuclei

• protons, neutrons, and electrons

Most of the mass of an atom is found in its ________.

• nucleus

• electron cloud

• atomic number

• mass number

In an atom, electrons ______.

• are located in the nucleus

• are paired with neutrons

• travel outside the nucleus

• are always in the same place in an atom

which type of atoms are found in metallic bonds?

• metal atoms

• nonmetal atoms

• salt atoms

• valence electrons

Electron dot diagrams are used to represent _________.

• protons

• outer electrons

• atomic mass

• the structure of the nucleus