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WorksheetsChemical Compounds Formula/Isotopes and Atomic Structure
Total questions: 24
Worksheet time: 33mins
How many atoms of carbon are in a molecule of vinyl chloride (C2H3Cl)?
1
3
6
2
How many atoms of sulfur are in each molecule of H2SO4?
1
4
2
7
How many atoms of hydrogen are in a molecule of glucose (C6H12O6)?
12
6
18
4
three hydrogen (H)
one sulfur (S)
four oxygen (O)
What is a positively charged subatomic particle found in the nucleus of an atom?
(a)
What Subatomic particle carries no charge
(a)
An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?
15
31
16
47
If an atom has an extra neutron, it is a(n)
(a)
What is the A/Z X formula for an Atom with Atomic Number: 20 and 24 Neutrons?
What is the A/Z X Formula for an atom with 27 Protons and 35 Neutrons?
Uranium-235 is an isotope of uranium, how many neutrons does this isotope have? (Uranium is element 92)
140
141
143
145
Identify the number of protons, neutrons and electrons in a neutral atom of Oxygen.
Protons = 8, Neutrons = 16, Electrons = 8
Protons = 8, Neutrons = 8, Electrons = 8
Protons = 8, Neutrons = 8, Electrons = 16
Protons = 16, Neutrons = 8, Electrons = 8
What two particles add up to identify the Atomic Mass?
(a)
Atomic Number Identifies the number of which atomic particle?
(a)
How many ATOMS of Iron are in Fe2(SO4)3 ?
2
3
4
7
12
Carbon-14 (atomic number 6) has
6 neutrons
10 neutrons
8 neutrons
14 neutrons
