Periodic Table

Question 1

What is a substance made of atoms of two or maor elements that are chemically combined?

Accepted Answer

compound

Question 2

The rows of the periodic table arecalled periods.

Accepted Answer

True

Question 3

Which of these things are NOT listedin the periodic table?

Accepted Answer

Atomic Orbital

Question 4

What is the smallest unit of an elements that contains all the properties?

Accepted Answer

atom

Question 5

What is the abbreviation that stands for an element?

Accepted Answer

chemical symbol

Question 6

What is the number of protons and neutrons in an atom of an element?

Accepted Answer

atomic weight

Question 7

What is a particle of matter with a charge of -1?

Accepted Answer

electron

Question 8

Occurring repeatedly or at regular intervals

Accepted Answer

periodic

Question 9

Elements in the periodic table arearranged by...

Accepted Answer

Atomic Number

Question 10

What is a region around the nucleus of an atom that may contain electrons?

Accepted Answer

orbital

Question 11

About how many known elements are inthe periodic table?

Accepted Answer

100

Question 12

The columns of the periodic tableare called groups.

Accepted Answer

True

Question 13

What is a particle of matter with a charge of 0?

Accepted Answer

neutron

Question 14

What is the process that transforms on e set of chemical substances into another?

Accepted Answer

chemical reation

Question 15

What is the number of protons in an atom of an element?

Accepted Answer

atomic number

Question 16

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

Accepted Answer

Electrons

Question 17

What is an electrically neutral group of atoms that are bonded together?

Accepted Answer

molecule

Question 18

Which scientist came up with theconcept of a periodic table?

Accepted Answer

Dmitri Mendeleev

Question 19

What is name of an element with properties between a metal and a nonmetal?

Accepted Answer

metalloid

Question 20

What is a particle of matter with a charge of +1?

Accepted Answer

proton

Question 21

Basic chemical substances from which all matter is made?

Accepted Answer

elements

Question 22

Which of these choices is NOT afamily of elements?

Accepted Answer

All are Families ofElements

Questions 22