Unit 1
Unit 2
Unit 3
Unit 4 & 5
100
An atom has 11 protons, 12 neutrons, and 11 electrons. What is the identity of the element?
A. Sodium
B. Vanadium
C. Titanium
D. Magnesium
A
100
The large numbers before a chemical formula that are used as multipliers are known as __________________.
Coefficient
100
What is the unit for force
Newtons
100
Warm air is __________ dense than cold air and rises creating convection currents.
more
200
An atom of a certain element has 36 protons, 36 electrons, and a mass number of 84. At room temperature this element is a very stable gas. How many neutrons are in this atom?
48
200
C
200
According to Newton’s Law of Inertia, which of the following objects will change its motion?
a. A bike rider on a smooth and level road, pedaling at a constant rate.
b. A chair sitting on the floor with balanced forces acting in opposite directions.
c. A train pulling on another train, each with the same amount of force.
d. A ball rolling across the floor with friction acting in the opposite direction.
D
200
Energy for convection on the Earth comes from...
the sun
300
The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed below.
Which of these elements is in this group?
A. Aluminum
B. Strontium
C. Silicon
D. Lithium
B
300
In a molecule of acetic acid (CH3COOH), there are ____________ elements
3
300
What is the force on this box
5
300
When a warm front occurs, what type of weather does it bring?
warm and clear
400
Which statement accurately describes the atoms of a specific element?
An Indium, In, atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus
b. An aluminum, Al, atom contains 27 electrons and 27 protons inside the nucleus
c. A scandium, Sc, atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus
d. A zinc, Zn, atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus
D
400
Four students performed four different investigations by combining different substances. Their results are shown in the table provided. In which experiment are new substances being formed?
1
400
A Canadian geese can fly approximately 75 miles in 3 hours. What is its speed?
25mph
400
When two tectonic plates are moving away from each other and magma comes up to create new crust, the boundary between them is called...
divergent boundary
500
How do electrons of an element determine that element's reactivity?
A. If the valence shell has a full shell of electrons it is very reactive because it is already full.
B. If the valence shell has missing electrons it is very reactive to attract or lose more electrons.
C. If the valence shell has a full ring of electrons it is very reactive because it needs more.
D. If the valence shell has missing electrons it is not reactive because it is missing electrons.
B
500
Sodium sulfate is used in laundry detergent. It is a compound that contains 2 atoms of sodium, 1 atom of sulfur, and 4 atoms of oxygen. What is the correct chemical formula for sodium sulfate?
Na2SO4
500
What is this person doing from 5 to 10 second
standing still
500
Formed by two continental plates colliding and forcing each other upwards during convergence at a boundary
A. Grassland
B. Snow
C. Mountain ranges
D. Trench
C Mountain range