
Ions Isotopes and Average Atomic Mass
Quiz
•
Chemistry
•
9th Grade - University
•
Medium
+1
Standards-aligned
Erica Britton
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Atoms of the same element which have a different number of neutrons are called _________________.
ions
isotopes
quarks
molecules
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
How many neutrons does C-14 contain? (tap to enlarge the image)
6
7
14
8
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
How many neutrons does an atom of the isotope Neon-22 have? (tap to enlarge the image)
12
10
22
20
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
How many electrons are in an neutral atom with an atomic number of 50?
5
8
50
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
which atom has 4 neutrons?
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
The average atomic mass of an element is the ___.
average of the mass number and the atomic number for the element
average of the masses of the isotopes of the element
total mass of the isotopes of the element
total number of subatomic particles in the nucleus
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
How many protons would an atom or ion of sodium have?
(Time to get comfortable using pages 10 and 11 of your Reference Tables to learn names and symbols of the elements, then go to the Periodic Table on p9)
23
7
14
11
Answer explanation
The element symbol Na stands for sodium, which is atomic number 11.
That means it has 11 protons.
regardless if we are talking about an atom or an ion of sodium... it will have 11 protons. That is the key characteristic for being called sodium.
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