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Chemistry Quarterly Practice

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

What are Mixtures of metals dissolved into each other, such as the material bike frames are made of?

a)

metal

b)

metalloid

c)

alloy

d)

chrome

2.

If one ice tea solution is darker in color than another one, 

the one that is darker is more

a)

concentrated

b)

soluable

c)

dilute

d)

toxic

3.

A difference between Gold and Carbon Dioxide is that Carbon 

Dioxide is (an)a _________

a)

mixture

b)

compound

c)

element

d)

solution

4.

A pure substance such as Aluminum, made of only one kind of atom, is called an _________

a)

heterogenous mixture

b)

homogenous mixture

c)

compound

d)

element

5.

 An element’s protons plus neutrons equals its _______  __

a)

atomic mass

b)

atomic number

c)

group #

d)

Period #

6.

To find the number of Neutrons, you must use the following formula.

     Atomic _____ - Atomic _____

a)

number - mass

b)

electron levels

- group #

c)

weight

mass

d)

mass - number

7.

Nickel has an atomic number of 28 and an atomic mass of 59, how many electrons does it have?

a)

31

b)

59

c)

28

d)

87

8.

Nickel has an atomin mass of 28 and ans atomic # of 59, how any Neutrons does it have?

a)

31

b)

28

c)

59

d)

87

9.

Unlike a physical change, a chemical change always involved the formation of a new

a)

substance

b)

mixture

c)

solution

d)

compound

10.

combinations like sand, where the particles do not look the same throughout, are called

a)

compounds

b)

homogenous mixtures

c)

heterogenous mixtures

d)

solutions

11.

According to the Law of Conservation of Mass, the mass of the reactants, should always equal the mass of the

a)

reactants

b)

products

c)

reaction

d)

tools

12.

Solutions that fall low on the Ph scale, from 1-6, like lemon juice and vinegar are considered to be very ___

a)

alkaline

b)

basic

c)

acidic

d)

slippery

13.

More basic solutions like drain cleaner are slippery, bitter and dangerous to touch, and are found where on the ph scale.

a)

at the lower number 1-6 ph

b)

Anywhere on the

1-14 ph scale

c)

Neutral 7

Like Water

d)

at the higher numbers ph 8 - 14

14.

When two substatnces like salt and pepper combine, yet both keep their individual properties, it is called a

a)

solution

b)

mixture

c)

compound

d)

molecule

15.

How many carbon atoms are in one molecule of glucose C6H12O6?

a)

2

b)

4

c)

6

d)

12

16.

In a chemical reaction, matter is niether created or __________

a)

created

b)

invented

c)

destroyed

d)

changed

17.

Campbells Chicken Noodle Soup is an example of a

a)

Heterogenous Mixture

b)

Homogenous Mixture

c)

Solution

d)

Compound

18.

If an element has an atomic # of 42 and an atomic mass of 96, how many Neutrons does it have?

a)

42

b)

54

c)

96

d)

138

19.

The is a measure of how much of a substance(solute) we can dissolve in various temperatures of water(Solvent)

a)

Solubility

b)

Dilution

c)

Conservation

d)

Distribution

20.

The liquid is the base of almost every natural solution on Earth, therefore it is known as the Universal

a)

Solute

b)

Molecule

c)

Solvent

d)

additive

21.

If a substance is heated beyond its boiling point, it chages from a liquid to a

a)

solid

b)

gas

c)

liquid

d)

plasma

22.

Solutions like seawater that look the same throughout are known as

a)

Bases

b)

Acids

c)

heterogenous

d)

homogenous

23.

If a substance is between it's freezing point and boiling point, it is in this phase

a)

Solid

b)

liquid

c)

gas

d)

plasma