What is the atomic number of an element with 16 protons?

Atomic Structure and Isotopes

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Chemistry
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9th - 12th Grade
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Hard

Sophia Harris
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
17
16
15
14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many neutrons are present in an element with a mass number of 32 and 16 protons?
14
16
20
18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element has an atomic number of 8 and a mass number of 16?
Neon
Nitrogen
Fluorine
Oxygen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electron configuration for oxygen in its ground state?
1s2 2s2 2p4
1s2 2s2 2p6
1s2 2s2 2p5
1s2 2s2 2p3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the mass number of an element not always a whole number?
Due to isotopes
Due to electron mass
Due to atomic number
Due to proton mass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of an element with 20 protons?
21
18
19
20
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which electrons are involved in chemical bonding?
Core electrons
Neutrons
Valence electrons
All electrons
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