Science Tech Atom

Quiz
•
Science
•
8th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A Student drew atomic models of four atomic models. Based on the drawings, which one is the least reactive?
Chlorine, because it has three energy levels with seven electrons in the third level
Gallium, because it has four energy levels with three electrons in the fourth level
Neon, because it has two energy levels with eight electrons in the second level
Tin, because it has five energy levels with four electrons in the fifth level
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student is studying calcium, a highly reactive element that humans need for strong bones. Which characteristic of calcium is most closely related to its chemical reactivity?
The 20 protons in each atom of calcium
The 2 valence electrons in each atom of calcium
The atomic mass of calcium, which is 40.078 amu
The density of calcium, which is 1.54 g/cm3
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An atom consists of 12 protons, 12 electrons, and 12 neutrons. Which of the following can be used to identify the element?
Neutrons
Electrons
Atomic number
Atomic mass
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An atom has 11 protons, 12 neutrons, and 11 electrons. What is the identity of the element?
Sodium
Titanium
Vanadium
Magnesium
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.
16 protons, 16 neutrons, and 16 electrons
16 protons, 32 neutrons, and 16 electrons
16 protons, 16 neutrons, and 32 electrons
32 protons, 16 neutrons, and 16 electrons.
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?
28
14
42
7
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass number of the element nitrogen? It has 7 protons, 7 neutrons, and 7 electrons.
7
14
21
Tags
NGSS.MS-PS1-1
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