Elements and Periodic Table Review

Question 1

These types of elements are located on the right portion of the periodic table.

Accepted Answer

non-metals

Question 2

Who created the first periodic table?

Accepted Answer

Mendeleev

Question 3

The majority of the periodic table is composed of

Accepted Answer

metals

Question 4

In a neutral atom, the number of electrons

Accepted Answer

is the same as the number of protons

Question 5

In order to calculate the atomic mass of an element, you must

Accepted Answer

add the protons and neutrons

Question 6

All oxygen atoms have the same mass.

Accepted Answer

False

Question 7

The atomic number

Accepted Answer

is the number of protons

Question 8

These sections of the periodic table run vertically.

Accepted Answer

groups

Question 9

Most elements occur in what state?

Accepted Answer

solid

Question 10

Each element symbol has

Accepted Answer

1 captial letter

Question 11

These sections of the periodic table run horizontally.

Accepted Answer

periods

Question 12

Not all elements occur naturally on Earth.

Accepted Answer

True

Question 13

Elements in a column have properties that are

Accepted Answer

similar

Question 14

Atoms with the same number of protons but different neutrons are called

Accepted Answer

isotopes

Question 15

Elements in a row have properties that are

Accepted Answer

different

Questions 15