IPC Unit 3 Test on Atomic Structure and Periodic Table
Authored by Jill Gregory
Chemistry
9th Grade
NGSS covered
Used 2+ times
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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who discovered that atoms contain negative particles with almost no mass?
Dalton
Bohr
Rutherford
Thomson
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of these best describes the subatomic particle at the end of the arrow?
It has mass but no charge
It has no mass and no charge.
It has mass and a positive charge.
It has no mass and equal number of positive and negative charges.
Tags
NGSS.HS-PS2-4
NGSS.HS-PS3-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A researcher wants to experiment with an element that reacts like calcium (Ca), but has a greater atomic mass. Which element should the researcher select for the experiment?
Nitrogen (N)
Magnesium (Mg)
Barium (Ba)
Potassium (K)
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which pair of elements have the same number of valence electrons?
Boron (B) and Carbon (C)
Bromine (Br) and Fluorine (F)
Carbon (C) and Aluminum (Al)
Aluminum (Al) and Silicon (Si)
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When identifying an unknown element, a scientist determines what other elements the unknown element reacts with chemically. Which property of the unknown element determines the other elements it reacts with?
The total number of neutrons in the unknown element.
The total number of particles in the nucleus of the unknown element.
The number of protons in the nucleus of the unknown element.
The number of valence electrons in the unknown element.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of element do the following characteristics best describe?
- gains electrons easily
- is brittle
- a poor conductor of heat and electricity
metal
nonmetal
metalloid
molecule
Tags
NGSS.HS-PS1-1
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A scientist performs tests on a sample of an element. The element is a gas that poorly conducts electricity and heat. The scientist also noted that the sample was nonreactive. Based on this information, the element is a member of which group on the periodic table?
Group 1
Group 2
Group 8
Group 18
Tags
NGSS.HS-PS1-1
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