11th Chemistry Review Chapters 4-6

These two elements combine to form water.

• carbon and hydrogen

• carbon and oxygen

• hydrogen and chlorine

• hydrogen and oxygen

This compound is commonly found in all three states of matter on Earth's surface.

• carbon dioxide

• iron oxide

• sodium chloride

• water

These elements have almost a complete lack of chemical reactivity.

• alkali metals

• halogens

• noble gases

• transition elements

The strong attractive force between sodium and chlorine ions is called a(n) __________.

• ionic bond

• covalent bond

• metallic bond

• hydrogen bond

The bonds between hydrogen and carbon atoms in butane (C₄H₁₀) are called __________.

• ionic bond

• covalent bond

• metallic bond

• hydrogen bond

A sodium atom can achieve an octet by __________.

• losing one electron

• gaining one electron

• gaining four electrons

• lose three electrons

Hydrogen and oxygen atoms react to form water by __________ electrons.

• gaining

• losing

• losing and gaining

• sharing

If potassium is in Group 1A, how many electrons do you expect to see in its Lewis Dot structure?

• 1

• 2

• 3

• 4

Both plants and animals use __________ and give off __________ during respiration.

• nitrogen, oxygen

• nitrogen, carbon dioxide

• oxygen, carbon dioxide

• oxygen, nitrogen

How many electrons are shared when two atoms of oxygen combine with one atom of carbon?

• 8

• 12

• 16

• 22