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Q 1/10
Score 0
Which measurement has the greatest number of signiļ¬cant ļ¬gures?
30
60.6 mg
606 mg
60600 mg
6.060 mg
Q 2/10
Score 0
The atomic number of an atom is always equal to the total number of
30
protons plus electrons in the atom
neutrons plus protons in the atom
protons in the nucleus
neutrons in the nucleus
10 questions
Q.
Which measurement has the greatest number of signiļ¬cant ļ¬gures?
1
30 sec
Q.
The atomic number of an atom is always equal to the total number of
2
30 sec
Q.
Which atom has a nucleus that contains 13 protons and 14 neutrons?
3
30 sec
Q.
The diagram below represents the nucleus of an atom. What are the atomic number and mass number of this atom?
4
30 sec
Q.
Which is the correct electron dot representation of an atom of sulfur in the ground state?
5
30 sec
Q.
Which diagram represents an electrically neutral atom?
6
30 sec
Q.
Atoms of 16O, 17O, and 18O have the same number of
7
30 sec
Q.
The process represented by the reaction is called
8
30 sec
Q.
Which particle has the greatest mass?
9
30 sec
Q.
The three main types of nuclear radiation are alpha, beta, and gamma. Which of the following lists these types of radiation from highest penetrating power to lowest penetrating power?
