Atoms and The Periodic Table

Question 1

The horizontal row on the periodic table is called a(n)

Accepted Answer

c. period

Question 2

The smallest particle into which an element can be divided and still be the same substance is:

Accepted Answer

c. atom

Question 3

In 1803, John Dalton proposed that all substances are made up of

Accepted Answer

d. atoms

Question 4

On The Periodic Table of Elements, metals are located:

Accepted Answer

to the left of the zig zag line.

Question 5

In which direction of The Periodic Table of Elements are the most metallic elements located?

Accepted Answer

On the left.

Question 6

Because their mass is so small, _____________ are not included in an atom's mass number.

Accepted Answer

c. electrons

Question 7

Isotopes have different numbers of

Accepted Answer

d. neutrons

Question 8

Each vertical column on the periodic table is called a(an)

Accepted Answer

b. group or family

Question 9

On The Periodic Table of Elements, non-metals are located:

Accepted Answer

to the right of the zig zag line.

Question 10

Which of the following has the least mass?

Accepted Answer

c. electron

Question 11

Mendeleev arranged the elements by

Accepted Answer

c. increasing atomic mass

Question 12

Neutrons and ________________ each have a mass of about 1 amu

Accepted Answer

b. protons

Question 13

Where, on The Periodic Table of Elements, could The Noble Gases be found?

Accepted Answer

The last column on the right.

Question 14

How would you describe the nucleus of an atom?

Accepted Answer

a. dense, positively charged

Question 15

Elements can be classified as:

Accepted Answer

d. metals, metalloids and nonmetals

Question 16

Twentieth century scientists believe electrons are found in regions called _________________

Accepted Answer

a. electron clouds

Question 17

According to Rutherford, what was in the center of an atom?

Accepted Answer

b. a nucleus

Question 18

The elements separated from the others on The Periodic Table of Elements, are called:

Accepted Answer

The Rare Earth Elements.

Question 19

On The Periodic Table of Elements, Calcium is a member of which family?

Accepted Answer

Alkaline Earth Metals.

Question 20

What is the name of the group separated from the rest of the periodic table (at the bottom)?

Accepted Answer

Rare Earth Elements

Question 21

In which direction on The Periodic Table of Elements, are the least metallic elements located?

Accepted Answer

On the right.

Question 22

In 1897, the British scientist, J.J. Thomson, discovered these negatively charged particles

Accepted Answer

c. electrons

Question 23

Flourine is a member of which family on The Periodic Table of Elements?

Accepted Answer

Halogens

Question 24

On The Periodic Table of Elements, metalloids are located:

Accepted Answer

on the zig zag line.

Question 25

The elements in families #3-12 on The Periodic Table of Elements are known as:

Accepted Answer

Transition Elements.

Atoms and The Periodic Table

Questions 25

Atoms and The Periodic Table

Questions 25