8th Chapter 11 Test practice

Atoms of different elements have different number of ___

• protons

• electrons

• neutrons

• quarks

polar molecules are formed by what kind of bond?

• metallic bond

• covalent bond

• ionic bond

what type of bond is formed by a metal and nonmetal?

• ionic

• covalent

• metallic

what is the name of an ion with a positive charge

• cation

• anion

• neutral

• anchion

what type of bond shares electrons?

• metallic bond

• ionic bond

• covalent bond

• none of these

which type of bond shares a pool of electrons between cations?

• metallic bond

• ionic bond

• covalent bond

• none of these

how many atoms are in the molecule Ni₃O₆

• 2

• 8

• 7

• 9

how many valence electrons are in Selenium (group 16)

• 2

• 4

• 6

• 8

In an ionic compound what type of element forms the cation?

• metal

• nonmetal

• metalloid

• semimetal

what makes an ion negative?

• more protons

• more neutrons

• a stable nucleus

• more electrons