Unit 3 - Physical Science (Chemistry Unit)

Question 1

Elements on the modern periodic table are arranged according to their _________.

Accepted Answer

atomic numbers

Question 2

All the elements below are in group one and therefore only have one valence electron.

Accepted Answer

True

Question 3

Carbon has 6 protons and 6 electrons.

Accepted Answer

True

Question 4

Sb is this element symbol for what metalloid?

Accepted Answer

Antimony

Question 5

How many dots does a Lewis Dot diagram of Helium have?

Accepted Answer

Two

Question 6

How many elements on the periodic table are metalloids?

Accepted Answer

7

Question 7

How many neutrons does Rb-85 contain?

Accepted Answer

48

Question 8

How many core electrons does Calcium have?

Accepted Answer

18

Question 9

The sum of the number of protons and neutrons inside the nucleus is called the __________.

Accepted Answer

mass number

Question 10

Which group on the periodic table is considered to chemically inactive?

Accepted Answer

Noble Gases

Question 11

How many elements are currently on the periodic table?

Accepted Answer

118

Question 12

Which listing below shows the proper charges of the subatomic particles?

Accepted Answer

p = +1 n = 0 e = -1

Question 13

A Bohr Model is a model of an atom that shows all subatomic particles.

Accepted Answer

True

Question 14

Atoms of the same element that have a different number of neutrons are called ____________.

Accepted Answer

isotopes

Question 15

What element is in the 2nd period, 17th group?

Accepted Answer

fluorine

Question 16

Which of the following elements is part of the Boron Family?

Accepted Answer

Aluminum

Question 17

The rule that states a full valence shell contains only 8 valence electrons is called?

Accepted Answer

Octet Rule

Question 18

A column on the periodic table can also be called a ________ or a ___________.

Accepted Answer

group / family

Question 19

What do the dots around a symbol indicate in a Lewis Dot diagram?

Accepted Answer

The number of electrons in the outer orbit.

Question 20

Out of these 4, which one is the most reactive element?

Accepted Answer

Fluorine

Question 21

How many total electrons does Potassium have and how many of those are valence electrons?

Accepted Answer

19, 1

Question 22

The number of valence electrons an element has can be determined by the period that it is in.

Accepted Answer

False

Question 23

What is the maximum number of valence electrons an atom can have?

Accepted Answer

8

Question 24

What is the only metal that is liquid at room temperature?

Accepted Answer

Mercury

Question 25

A row on the periodic table is also called a ________.

Accepted Answer

period

Question 26

Which of the following elements is an alkaline earth metal?

Accepted Answer

Calcium

Question 27

In a Bohr Model, which electrons go on the highest energy level?

Accepted Answer

Valence

Question 28

How many groups/families are on the periodic table?

Accepted Answer

18

Question 29

Elements in groups 3 - 12 are called ___________.

Accepted Answer

transition metals

Question 30

Group 1 elements are also called ____________.

Accepted Answer

alkali metals

Question 31

An atom, as shown on the periodic table, is neutral because it contains equal numbers of

Accepted Answer

protons and electrons

Question 32

Who organized the first periodic table based the elements' atomic masses?

Accepted Answer

Mendeleev

Question 33

Elements in group 17 are called ____________.

Accepted Answer

halogens

Question 34

How many periods are on the periodic table?

Accepted Answer

7

Question 35

Carbons lewis dot structure has one dot on all four sides.

Accepted Answer

True

Question 36

What is the name of Cousin Eddie's dog in the Christmas classic National Lampoon's Christmas Vacation?

Accepted Answer

Snots

Question 37

Which subatomic particles are located inside the nucelus of an atom?

Accepted Answer

protons & neutrons

Question 38

Valence electrons are located _________.

Accepted Answer

in the outer orbital shell

Question 39

The number of protons an atom contains is identified by the ____ ____ on the periodic table.

Accepted Answer

atomic #

Question 40

Elements that have chemical and physical properities of both metals and nonmetals are _____.

Accepted Answer

metalloids

Unit 3 - Physical Science (Chemistry Unit)

Questions 40

Unit 3 - Physical Science (Chemistry Unit)

Questions 40