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WorksheetsSenior Physical Science Exam
Total questions: 59
Worksheet time: 58mins
What SI unit is used to measure length?
meters
liters
kilograms
Which is the SI unit of measurement for energy?
Joules
Watts
Moles
Amps
Which is the SI unit of measurement for mass?
Grams
Liters
Pounds
Kilopounds
Which of the following statements about speed and velocity is correct?
Velocity only describes an object’s rate of motion.
Speed describes how an object is changing its velocity.
Only velocity includes the direction an object is traveling.
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
What are valence electrons?
Any of an atom's electrons
Electrons located on the first energy level
Electrons not attached to any atom
electrons located on the outer energy level
The horizontal (side to side) rows in the Periodic Table are called
groups
families
periods
atomic numbers
Why are halogens so reactive?
They want to get rid of their only valance electron
They only need one more electron
They are non reactive, they have a full shell
How many valence electrons does a carbon atom have?
8
4
2
6
Hydrogen appears to be on the "wrong" side of the periodic table. Why?
Hydrogen is non-metal, but found on the left side
Hydrogen is a non-metal, but is at the top
Hydrogen is a metaloid, but with the metals
Hydrogen is a metal, but on the right side
What charge does an atom have when it GAINS electrons?
Positive
Negative
Neutral
When an atom loses an electron, it becomes a(n) _____________ ion.
positive
negative
neutral
polyatomic
Which element is this?
Nickel
Neon
Sodium
Nitrogen
How many valence electrons?
2
3
4
5
A bond between a metal and a nonmetal is called a(n)
covalent bond
ionic bond
metallic bond
transfer bond
A bond between a nonmetal and a nonmetal is called a(n)
covalent bond
ionic bond
metallic bond
transfer bond
What type of bond involves the sharing of electrons between atoms?
covalent bond
ionic bond
metallic bond
transfer bond
Identify the following compound as ionic or covalent: Na2SO4
ionic
covalent
Identify the following compound as ionic or covalent: CF4
ionic
covalent
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
Ex: 2H2 + O2 --> 2H2O
4Fe + 3O2 --> 2Fe2O3
