Elements of the Periodic Table

Question 1

Which element is shown in the model?

Accepted Answer

boron

Question 2

How many electrons are in the 3rd Orbital of an atom?

Accepted Answer

18

Question 3

The horizontal rows found on the periodic table ______.

Accepted Answer

periods

Question 4

How many electrons are in the 1st Orbital of an atom?

Accepted Answer

2

Question 5

How many electrons are in the 2nd Orbital of an atom?

Accepted Answer

8

Question 6

What does the # 22.99 represent?

Accepted Answer

Atomic Mass

Question 7

Which element has 16 protons?

Accepted Answer

sulfur

Question 8

What do "Na" and "Mg" represent?

Accepted Answer

Atomic Symbol

Question 9

How many electrons are in Neon's 3rd orbital?

Accepted Answer

0

Question 10

The atomic numbers increase as you read from right to left across each period.

Accepted Answer

False

Question 11

The formula for finding the number of neutrons is _____?

Accepted Answer

Atomic Mass - Atomic Number

Question 12

How many electrons would this element have?

Accepted Answer

35

Question 13

What is the atomic mass of the atom seen?

Accepted Answer

11

Question 14

What does the #11 represent?

Accepted Answer

Atomic Number

Question 15

The nucleus of an atom conists of

Accepted Answer

protons and neutrons

Question 16

Protons and neutrons together equal the _______.

Accepted Answer

atomic mass

Question 17

Elements that have characteristics of both metals and nonmetals are called ______.

Accepted Answer

metalloids

Question 18

Which element is seen in this model?

Accepted Answer

bromine

Question 19

No two elements can have the same symbol.

Accepted Answer

True

Question 20

How many electrons are in Neon's 2nd orbital?

Accepted Answer

8

Question 21

Electrons have a ______ charge.

Accepted Answer

negative

Question 22

What is the atomic mass of this element?

Accepted Answer

80

Question 23

Who created the Periodic Table of Elements?

Accepted Answer

Demetri Mendeleev

Question 24

How many protons does nitrogen have?

Accepted Answer

7

Question 25

Neutrons have a negative charge.

Accepted Answer

False

Question 26

Which particle has a positive charge?

Accepted Answer

protons

Question 27

The atomic mass is always greater than or equal to the atomic number of an element.

Accepted Answer

True

Question 28

Which particle travels around the nucleus?

Accepted Answer

electrons

Question 29

What is the atomic number of aluminum?

Accepted Answer

13

Question 30

Where on the periodic table are copper, silver and gold found?

Accepted Answer

center

Question 31

Why is the electron not included in the Atomic Mass of an element?

Accepted Answer

Its mass is insignificant; too small

Question 32

Which element has the symbol Cu?

Accepted Answer

copper

Question 33

Which two subatomic particles are always equal in number?

Accepted Answer

electrons and protons

Question 34

What is the atomic number of nickel?

Accepted Answer

28

Question 35

Which subatomic particle has no charge?

Accepted Answer

neutrons

Question 36

When a compound is formed, the elements in it

Accepted Answer

Change their properties

Question 37

Potassium has ____ electrons.

Accepted Answer

19

Question 38

How many neutrons does lithium have?

Accepted Answer

4

Question 39

Which element has no neutrons?

Accepted Answer

hydrogen

Question 40

There are _____ elements on the periodic table.

Accepted Answer

109

Question 41

What is the greatest number of electrons that can be in the first electron shell?

Accepted Answer

2

Question 42

Which element has the symbol Mn?

Accepted Answer

manganese

Elements of the Periodic Table

Questions 42

Elements of the Periodic Table

Questions 42