WorksheetsSemester One Review
Total questions: 29
Worksheet time: 17mins
Subatomic particles with a negative charge.
electrons
neutrons
protons
quarks
Subatomic particles found on the outermost shell.
electrons
protons
neutrons
atoms
Subatomic particles with a positive charge.
neutrons
ions
electrons
protons
Value representing the number of protons in an element.
electrons
atomic mass
atomic number
mass number
Where are electrons likely to be found as they travel around the nucleus?
nucleus
within a proton
electron cloud
within the neurton
Arrangement of elements organized by atomic number.
electron cloud
element table
periodic table
none of these
What is the atomic number?
35
17
18
52
The vertical (up and down) columns in the Periodic Table are called
groups
periods
towers
atomic numbers
Elements in the same group have the same...
properties
number of electrons
nucleus
atomic number
How many nuetrons does calcium have?
20
60
40
0
What families are on the left side of the periodic table?
transition metals
alkali metals
alkaline earth metals
metaloids
What is one way neutrons are different from electrons?
neutrons have a negative charge and electrons have a positve charge
electrons are inside the nucleus and neutrons re outside the nucleus
neutrons have no charge, while electrons have a negative charge
both are in the nucleus
How many protons and electrons does chlorine have?
17
35
35.452
18
What is the atomic number for chlorine?
35
17
18
52
Matter will change state when enough energy (heat) is added to, or removed from, the molecules.
true
false
What is the equation for calculating final temperature when equal masses of a liquid are mixed?
cal = m x ΔT
Tf= 2 T1 - T2
ΔT = Tf − Ti
ΔT = cal x m
What is the equation for calculating heat energy transfer?
cal = m x ΔT
Tf= 2 T1 - T2
ΔT =Tf − Ti
ΔT = cal x m
The temperature on Sunday was -15o C. The temperature on Monday was 12 degrees less than the temperature on Sunday. What was the temperature on Monday?
-27o C
27o C
-3o C
3o C
If it is 85 degrees in California and -4 degrees in Nebraska, how many degrees warmer is it in California?
-89
81
89
-81
In Buffalo, New york, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?
-7°F
21°F
-21°F
-7°F
A student mixed 30 mL of water at 15oC and 30 mL of water at 55 oC.
What is the final temperature of the water?
Include Units in your answer
(a)
A student heated 50 mL of water from 0ºC to 60ºC. How much energy did she use to heat the water?
(a)
Select the temperature.
54°C
12°C
20°C
60°C
Which temperature is about 25° Celcius?
Blue
Green
Blue and Green
Red
What tool do we use to measure temperature?
thermometer
ruler
balance
magnifying glass
What happens to a substance when it changes from a liquid to a solid?
it gains mass
it loses mass
it gains energy
it loses energy
If you want to change liquid water into a gas you must:
remove it from the water
add heat to the water
apply pressure to the water
add chemicals to the water
What is the atomic mass for calcium chloride CaCl2?
(a)
What is the chemical formula for ammonia?
(a)
