Chemistry NCFE 2018-19 #1-15

Quiz
•
Chemistry
•
11th Grade
•
Medium
+2
Standards-aligned
Carla McKethan
Used 167+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1) Which isotope has the greatest number of protons?
Pa-238
U-240
Np-238
Pu-239
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2) A neutral atom of a certain element has the electron configuration 1s22s22p63s23p4. How many valence electrons does the atom have?
4
6
11
16
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3) What color of light does a hydrogen atom emit when an electron transitions from the n=6 energy level to the n=2 energy level?
orange
yellow
blue
violet
Tags
NGSS.HS-PS4-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4) The equation below represents the radioactive decay of a gold isotope.
174 79 Au →17077 Ir + ?
Which choice correctly completes this equation?
alpha particle
beta particle
photon
neutron
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5) A neutral atom has a ground state electron configuration of 1s22s22p63s2. The neutral atom becomes an ion during a chemical reaction. Which is the most likely charge of the ion?
2+
1+
2-
6-
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6) How many electrons are in the outermost energy level of a neutral carbon atom?
2
4
6
8
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7) The compound sodium chloride is placed in water and separates into ions. What are the correct names for these ions?
The chloride and sodium ions are cations.
The chloride and sodium ions are anions.
The sodium ion is the anion, and the chloride ion is the cation.
The sodium ion is the cation, and the chloride ion is the anion.
Tags
NGSS.HS-PS1-1
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