Chemistry: Periodic Table Review

Question 1

Which of the following cannot be found on the periodic table of elements?

Accepted Answer

who discovered the element

Question 2

What term describes atoms of the same element that have different numbers of neutrons?

Accepted Answer

isotopes

Question 3

On the periodic table, what is used to help distinguish between the metals and nonmetals?

Accepted Answer

a zigzag line

Question 4

What 2 elements are liquid at room temperature and standard pressure?

Accepted Answer

Bromine (Br) & Mercury (Hg)

Question 5

Elements that have the same number of valence electrons are found in this vertical category:

Accepted Answer

group

Question 6

T/F: All atoms of a given element contain the same number of neutrons.

Accepted Answer

FALSE

Question 7

If the atomic number of Carbon is 6, how many protons are in its nucleus?

Accepted Answer

6

Question 8

How is the average atomic mass of an atom calculated?

Accepted Answer

by weighing the average mass of an element's isotopes

Question 9

T/F: The periodic table is just a list of elements. It contains no other useful information.

Accepted Answer

FALSE

Question 10

Why do some elements have 3-letter chemical symbols?

Accepted Answer

a committee must still review it and come up with a name

Question 11

Which of the following would NOT be a source of an element's chemical name?

Accepted Answer

Roman numerals

Question 12

What are the 3 major categories used to classify elements on the periodic table?

Accepted Answer

metals - non-metals - metalloids

Question 13

The basic substances of matter organized on the Periodic Table are known as ________.

Accepted Answer

elements

Question 14

What Russian chemist first began to organize elements based on their atomic mass.

Accepted Answer

Dmitri Mendeleev

Question 15

Why are valence electrons able to participate in chemical bonding?

Accepted Answer

they are far away from the attractive force of the nucleus

Question 16

Which of the following is NOT true about periods on the periodic table?

Accepted Answer

elements in the middle of the period are less dense

Question 17

The number of protons found in the nucleus of an atom is known as the _________.

Accepted Answer

atomic number

Question 18

This is the only element found to the left of the zigzag line that is not a metal:

Accepted Answer

Hydrogen (H)

Question 19

T/F: Every element's chemical name originates from a Latin term.

Accepted Answer

FALSE

Questions 19