Year 10 Test
Authored by Conny Ludascher
Science
9th Grade
NGSS covered
Used 31+ times
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127 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
Electron Shells
Orbitals
Electron Cloud
Nucleus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many neutrons does a sodium atom have? (Use the image to help you)
23
11
12
34
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons does this atom have?
2.5
6
5
10.811
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What two particles make up the ATOMIC MASS of an element?
Protons and Neutrons
Protons and Electrons
Electrons and Nucleus
Electrons and Neutrons
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which particle makes up the ATOMIC NUMBER of an element?
Protons
Electrons
Protons and Neutrons
Neutrons
6.
OPEN ENDED QUESTION
1 min • 1 pt
What charge is an proton?
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The horizontal row on the periodic table is called a
group
family
period
atomic number
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