Chemistry of Matter & the Periodic Table

Question 1

The columns of the periodic table are called groups

Accepted Answer

true

Question 2

An electron has a mass that is much less than a proton.

Accepted Answer

True

Question 3

Which scientist came up with the concept of a periodic table?

Accepted Answer

Dmitri Mendeleev

Question 4

Vertical families in the periodic table share similar chemical properties.

Accepted Answer

True

Question 5

Elements in the periodic table are arranged by...

Accepted Answer

Atomic Number

Question 6

An ion is a form of an atom with a different number of...

Accepted Answer

electrons

Question 7

Which of these choices is a family of elements which are located in their own group?

Accepted Answer

Noble gases

Question 8

The atomic number of an element tells you the number of _____ in a neutral atom.

Accepted Answer

electrons

Question 9

An atom with a neutral charge has the same number of...

Accepted Answer

protons and electrons

Question 10

The innermost atomic orbital or shell can hold a maximum of 18 electrons.

Accepted Answer

False

Question 11

The number of electrons a shell or orbital can hold equals the number of elements in a period.

Accepted Answer

True

Question 12

Which group of elements is more reactive

Accepted Answer

Group 1 Alkali Metals

Question 13

You will find metals on the right hand side of the periodic table.

Accepted Answer

False

Question 14

An isotope is a form of an atom with a different number of...

Accepted Answer

neutrons

Question 15

The rows of the periodic table are called

Accepted Answer

periods

Questions 15