The Periodic Table & Chemical Reactions (1)

Question 1

True or False? - Superscripts must be written with their charges.

Accepted Answer

True

Question 2

What is the number of electrons that a nonmetal atom takes in a chemical reaction?

Accepted Answer

Negative Valence

Question 3

Complete the equation: Calcium + Sulfur ---->

Accepted Answer

Calcium Sulfide

Question 4

The arrow, or yield sign, in a chemical equation means ________?

Accepted Answer

Produces

Question 5

In the product, Fe2O3, the numbers are referred to as: _______?

Accepted Answer

Subscripts

Question 6

What are the three particles that make up an atom?

Accepted Answer

Protons, Neutrons, and Electrons

Question 7

Which element was involved in the Hindenburg and is extremely flammable?

Accepted Answer

H

Question 8

In a First Class Reaction, ___ + ___ produces product.

Accepted Answer

Reactant + Reactant

Question 9

True or False? - The number of n0 equals atomic mass - atomic number.

Accepted Answer

True

Question 10

Complete the First Class Reaction - Magnesium + Oxygen -->

Accepted Answer

Magnesium Oxide

Question 11

What is the atomic symbol for sodium?

Accepted Answer

Na

Question 12

Complete the equation: Hydrogen + Bromine --->

Accepted Answer

Hydrogen Bromide

Question 13

What is the number of electrons that a metal atom gives in a chemical reaction?

Accepted Answer

Positive Valence

Question 14

True or False? - Element + Element = Compound.

Accepted Answer

False

Question 15

What tells us the number of protons and electrons in an atom?

Accepted Answer

Atomic Number

Question 16

What is the atomic symbol for Copper?

Accepted Answer

Cu

Question 17

Complete the equation: Iron + Oxygen --->

Accepted Answer

Iron Oxide (rust)

Question 18

Which of the following particles is not correctly charged?

Accepted Answer

n-

Question 19

What is the center of the atom known as?

Accepted Answer

Nucleus

Question 20

What process occurs when pure oxygen gas combines with a substance in a chemical reaction?

Accepted Answer

Oxidation

Question 21

Which particle orbits the nucleus of the atom?

Accepted Answer

Electrons

Question 22

What two particles are located in the nucleus of the atom?

Accepted Answer

Protons and Neutrons

Question 23

If both subscripts are the same, what happens?

Accepted Answer

They are dropped from the product.

Question 24

True or False? - When naming a binary compound, you add -IDE to the nonmetal atom.

Accepted Answer

True

Question 25

If Oxygen has an Atomic Number of 8, how many electrons does Oxygen have?

Accepted Answer

8

The Periodic Table & Chemical Reactions (1)

Questions 25

The Periodic Table & Chemical Reactions (1)

Questions 25