Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Disappearing Bodies Part 3

Total questions: 49

Worksheet time: 4hrs 5mins

Name
Class
Date
1.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
2.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

3.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

4.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

5.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
d)
Electrons in the second shell
6.

How many electrons can the first shell hold?

a)

2

b)

4

c)

6

d)

8

7.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
8.

According to the diagram below, how many bonds will this atom be able to make?

a)
1
b)
2
c)
3
d)
4
9.

This is a correct dot diagram for neon (Ne)

a)

true

b)

false

10.

Ionic bonds form between two ions that have...

a)

Positive Chargers

b)

negative charges

c)

Same Charges

d)

Opposite Charges

11.

An electron has what kind of charge?

a)

equal charge

b)

no charge

c)

negative charge

d)

positive charge

12.

What does the 6 represent?

a)

Atomic mass

b)

Atomic number

c)

Isotope

d)

Atomic Symbol

13.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
14.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
15.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
16.

What type of bond involves the sharing of electrons between atoms?

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

17.

A rule stating that atoms lose, gain, or share electrons in order to have 8 valence electrons.

a)

Reactant

b)

molecule

c)

Oxidation number

d)

Octet rule

18.

A polar bond is a type of covalent bond in which the electrons are not being shared equally. This results in one end of the molecule having a slightly negative charge and the other a slightly positive charge.

a)

True

b)

False

19.

Type of covalent bond in which the electrons are being shared equally.

a)

Nonpolar bond

b)

Reactant

c)

Coefficient

20.

Beryllium and sulfur will form a ____ bond

a)

Covalent

b)

Metallic

c)

Ionic

d)

Unique

21.

Why don't noble gases form bonds?

a)

They all have a full octet

b)

Noble gases do form bonds

c)

They only bond when with eachother

d)

none of these answers are correct

22.

Water, H2O

a)

Ionic

b)

Covalent

c)

Water

23.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

24.

What type of bonding does this picture show?

a)

Ionic

b)

Covalent

25.

Generally, atoms form bonds so that _______________.

a)

Each atom loses its electrons

b)

Each atom has a stable electron configuration

c)

Each atom has an unstable electron configuration

d)

Each atom gains electrons

26.

In ionic bonding, valence electrons are _______.

a)

shared

b)

transferred

c)

destroyed

27.

In covalent bonding, valence electrons are ______.

a)

shared

b)

transferred

c)

destroyed

28.

Which of the following is an exception to the Octete Rule?

a)

potassium

b)

bromine

c)

helium

d)

neon

29.

Which of these atoms is the most electronegative?

a)

Bromine

b)

Fluorine

c)

Hydrogen

d)

Potassium

30.

H2O is

a)

polar 

b)

non-polar

31.

The electrons in a polar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

32.

In a polar covalent bond, the electrons gather around...

a)

The atom with the Greatest Electronegativity

b)

The atom with the Lowest Electronegativity

c)

Each atom Equally

d)

None of the Above

33.

A diatomic molecule like O2 is always _____ because electrons are shared _____

a)

nonpolar; unequally

b)

polar; equally

c)

nonpolar; equally

d)

polar; unequally

34.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

35.

Negative ions

a)

Gain electrons

b)

Lose electrons

36.

Positive ions

a)

Gain electrons

b)

Lose electrons

37.
Anna filled a ​cup with hot tea. Then she added a sugar cube. ​Which of these will help to make the sugar cube dissolve more quickly? 
a)
stirring the hot tea
b)
adding more sugar cubes
c)
adding ice to the tea
d)
pouring more tea into the cup
38.
Ernesto and Amanda fill two cups with water. They use hot water in one cup and cold water in the other cup. Next, they will stir a spoon of salt into each cup.     

In which cup will the salt dissolve more slowly? 
a)
The salt will not dissolve in either cup
b)
The salt dissolves more slowly in the hot water
c)
The salt dissolves more slowly in the cold water
d)
The salt dissolves at the same speed in both cups
39.
melting
a)
change of state from solid to liquid
b)
change of state from liquid to solid
40.

Anything that takes up space and has mass is

a)

Matter

b)

Volume

c)

Liquid

d)

Atom

41.

In a _______ the molecules are close together.

a)

solid

b)

liquid

c)

gas

42.

One similarity between solids, liquids and gases is

a)

all three have atoms and molecules

b)

all three have molecules that are close together

c)

all three take the shape of their containers

43.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
44.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
45.

The process by which one or more substances change to produce one or more different substances

a)

Chemical Process

b)

Reactant

c)

Chemical Reaction

46.
In the equation,          2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
47.
In this image, what are the information in red is called the_______.
a)
Product
b)
Reactant
c)
Chemical Subscript
d)
Coefficient
48.
In this image, what are the information to the right of the arrow (in black) is called the_______.
a)
Product
b)
Reactant
c)
Chemical Subscript
49.

6CO2+ 6H2O → C6H12O6 + 6O26CO_2+\ 6H_2O\ \rightarrow\ C_6H_{12}O_{6\ }+\ 6O_2  

The carbon atoms are balanced with ____ on each side of the reaction.

a)

1

b)

6

c)

2

Similar Resources on Wayground

Scientific Method and Graphs

51 questions

Scientific Method and Graphs

quiz

Worksheet

•

9th - 12th Grade

Biogeochemical cycles

47 questions

Biogeochemical cycles

quiz

Worksheet

•

9th - 10th Grade

Environmental Semester ONE Review

47 questions

Environmental Semester ONE Review

quiz

Worksheet

•

9th - 12th Grade

Beef Reproductive System

50 questions

Beef Reproductive System

quiz

Worksheet

•

9th - 12th Grade

The Cell Membrane and The Cytoplasm & Cellular Organelles

50 questions

The Cell Membrane and The Cytoplasm & Cellular Organelles

quiz

Worksheet

•

9th - 12th Grade

Mid-term Review

50 questions

Mid-term Review

quiz

Worksheet

•

9th - 12th Grade

circulatory

50 questions

circulatory

quiz

Worksheet

•

9th Grade