Chemistry

Basic Concepts

100

What is the basic building block of matter?

Atom

200

What determines an element's identity?

Protons

300

What is the law of conservation of mass?

Matter is never created or destroyed

400

What is a valence electron?

Electron in the outermost orbital

500

What does it mean to be a happy atom?

Outermost energy level is full

Subatomic Particles

100

Name a subatomic particle

Proton, neutron, or electron

200

Which subatomic particle does not have a charge?

Neutron

300

How do you calculate atomic mass?

Protons + Neutrons

400

What is an ion?

When an atom has more or less electrons than protons

500

What is the role of a subscript in a formula?

Indicates the number of atoms right before the subscript

Bonding

100

What is a covalent bond?

When atoms share electrons

200

What types of elements form a covalent bond?

Nonmetal and nonmetal

300

Pick the covalent bond: O-O, Mg-S, Ti-Ti, Na-Cl

O-O

400

What is an ionic bond?

When atoms up or gain an electron through bonding

500

What types of elements form an ionic bond?

Metal and nonmetal

Chemical Formulas

100

What is the coefficient in 7 Ca₂(PO₃)₄

7

200

What is the subscript of Ca in 7 Ca₂(PO₃)₄

2

300

How many phosphorus atoms are in 7 Ca₂(PO₃)₄

28

400

What do parentheses indicate in a chemical formula?

How many of a specific portion of a molecule there is

500

How many total atoms are in this 5 Ca₂(PO₃)₄

90

Periodic Table

100

Give an example of something a periodic table can tell us

Atomic number, atomic mass, electrons, name, symbol

200

Give an example of an element that wants to give up 2 electrons

Beryllium, Magnesium, Calcium, Strontium, Barium, Radium

300

What is the atomic number of Cobalt

27

400

What is the atomic mass of Silver

107(ish)

500

Where are nonmetals

To the right of the stair step line.