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WorksheetsPhET Build an Atom Activity Guide Quiz A
Total questions: 14
Worksheet time: 8mins
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured.
carbon
nickel
neon
zinc
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured.
carbon
magnesium
neon
zinc
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured.
carbon
potassium
nitrogen
iron
Remember to use your Periodic Table of Elements to help you identify which Bohr Model is pictured.
oxygen
sulfur
nitrogen
boron
How many protons does Iron, Fe, have inside its nucleus?
13
26
55
56
Which element has an atomic number 15?
Phosphorus
Hydrogen
Potassium
Argon
A neutral atom of Fluorine has 9 protons and 9 electrons. If its mass number is 19, how many neutrons does an atom of Fluorine have?
9
18
10
37
A neutral atom of Nitrogen has 7 protons and 7 electrons. If its mass number is 14, how many neutrons does an atom of Nitrogen have?
7
14
21
Based on the atom's diagram, identify the element.
Oxygen
Fluorine
Carbon
Hydrogen
Match each Element with its correct atomic number.
Rh
45
Xe
54
Mg
12
He
2
Kr
36
What is the charge of a proton?
Negative
Positive
Neutral
Variable
The mass number of an atom is determined by the sum of which subatomic particles?
Protons and electrons
Neutrons and electrons
Protons and neutrons
Electrons only
All matter is made of what?
energy
atoms
electrons
compounds
