WorksheetsChemistry Quarterly Practice
Total questions: 23
Worksheet time: 12mins
What are Mixtures of metals dissolved into each other, such as the material bike frames are made of?
metal
metalloid
alloy
chrome
If one ice tea solution is darker in color than another one,
the one that is darker is more
concentrated
soluable
dilute
toxic
A difference between Gold and Carbon Dioxide is that Carbon
Dioxide is (an)a _________
mixture
compound
element
solution
A pure substance such as Aluminum, made of only one kind of atom, is called an _________
heterogenous mixture
homogenous mixture
compound
element
An element’s protons plus neutrons equals its _______ __
atomic mass
atomic number
group #
Period #
To find the number of Neutrons, you must use the following formula.
Atomic _____ - Atomic _____
number - mass
electron levels
- group #
weight
mass
mass - number
Nickel has an atomic number of 28 and an atomic mass of 59, how many electrons does it have?
31
59
28
87
Nickel has an atomin mass of 28 and ans atomic # of 59, how any Neutrons does it have?
31
28
59
87
Unlike a physical change, a chemical change always involved the formation of a new
substance
mixture
solution
compound
combinations like sand, where the particles do not look the same throughout, are called
compounds
homogenous mixtures
heterogenous mixtures
solutions
According to the Law of Conservation of Mass, the mass of the reactants, should always equal the mass of the
reactants
products
reaction
tools
Solutions that fall low on the Ph scale, from 1-6, like lemon juice and vinegar are considered to be very ___
alkaline
basic
acidic
slippery
More basic solutions like drain cleaner are slippery, bitter and dangerous to touch, and are found where on the ph scale.
at the lower number 1-6 ph
Anywhere on the
1-14 ph scale
Neutral 7
Like Water
at the higher numbers ph 8 - 14
When two substatnces like salt and pepper combine, yet both keep their individual properties, it is called a
solution
mixture
compound
molecule
How many carbon atoms are in one molecule of glucose C6H12O6?
2
4
6
12
In a chemical reaction, matter is niether created or __________
created
invented
destroyed
changed
Campbells Chicken Noodle Soup is an example of a
Heterogenous Mixture
Homogenous Mixture
Solution
Compound
If an element has an atomic # of 42 and an atomic mass of 96, how many Neutrons does it have?
42
54
96
138
The is a measure of how much of a substance(solute) we can dissolve in various temperatures of water(Solvent)
Solubility
Dilution
Conservation
Distribution
The liquid is the base of almost every natural solution on Earth, therefore it is known as the Universal
Solute
Molecule
Solvent
additive
If a substance is heated beyond its boiling point, it chages from a liquid to a
solid
gas
liquid
plasma
Solutions like seawater that look the same throughout are known as
Bases
Acids
heterogenous
homogenous
If a substance is between it's freezing point and boiling point, it is in this phase
Solid
liquid
gas
plasma
