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WorksheetsChemistry Review 2024
Total questions: 30
Worksheet time: 23mins
Which of these grouping of elements could have the characteristic of dull, brittle, and insulator?
Metalloid
A proton has a _________ charge.
Negative
Positive
Neutral
Opposite
How many protons does B have?
11
5
6
10
How many electrons does S have?
16
14
15
13
How many neutrons does Na have?
23
11
12
13
The subatomic particles are called:
protons, nucleus and electrons
protons, electrons and neutrons
protons, positives and negatives
cloud, shell and quarks
What is the Atomic Number of Nitrogen?
7
14.007
14
21
A solid made when 2 liquids are combined is:
Precipitate
Solute
Dissipate
This defies the laws of nature and does not happen.
Let's practice! Before reads 50 mL. After we drop in the object, the new water level goes up to 60 mL. What is the volume of the blocks? (Hint: new volume- old volume)
8 mL
10 mL
60 mL
5 mL
What is the volume of the ring? (new volume - old volume)
64 mL
68 mL
8 mL
4 mL
All of the following are indicators of a chemical reaction except one. Which one is NOT an indicator that a chemical reaction has taken place?
the production of heat or light
a color change
the production of gas bubbles
the dissolving of one substance in another
a physical change took place
What element is this?
Beryllium
Lithium
Nitrogen
This is not an element.
Which element is located in Group 11 & Period 4?
Vanadium
Cadmium
Copper
Rhodium
What element is located in Group 18 & Period 5?
Xenon
Krypton
Radon
Helium
What is this element?
Beryllium (atomic #4)
Boron (atomic #5)
Carbon (atomic #6)
Nitrogen (atomic #7)
Examples are water (H2O) and carbon dioxide (CO2).
elements
compounds
