Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Give this quiz to my class
Q 1/15
Score 0
An atom has 29 protons, 29 electrons, and 35 neutrons. What is the mass number of the atom?
30
29
35
93
64
Q 2/15
Score 0
Which drawing best represents an atom of lithium?
30
C
B
D
A
15 questions
Q.
An atom has 29 protons, 29 electrons, and 35 neutrons. What is the mass number of the atom?
1
30 sec
Q.
Which drawing best represents an atom of lithium?
2
30 sec
Q.
Which of the following shows an example of a chemical change?
3
30 sec
Q.
Which of the following statements explains why oxygen is classiļ¬ed as a pure substance and air is classiļ¬ed as a mixture?
4
30 sec
Q.
What is the atomic number of an element whose atoms each contain 47 protons, 60 neutrons, and 47 electrons?
5
30 sec
Q.
The formula for density (D) is D = m/v where m is mass in grams and v is volume in cm3. Use this formula to solve the following problem:
The density of a substance is 2 g/cm3. The mass is 4 g. What is the volume?
6
30 sec
Q.
Which of the following do water (H2O), rust (Fe2O3), and salt (NaCl) have in common?
7
30 sec
Q.
Which diagram illustrates the safest method of heating a solution in a test tube? [Note: The student heating the tub is to the left of each diagram.]
8
30 sec
Q.
When electricity passes through water, hydrogen and oxygen are produced. Which table correctly labels the compounds and elements involved in the process?
9
30 sec
Q.
Given:
ā¢ = particle X
ā¦ = particle Z
Which diagram represents a mixture?
10
30 sec
Q.
In order for an atom to have a neutral charge, it must have an equal number of
11
30 sec
Q.
Which of these types of nuclear radiation has the greatest penetrating power?
12
30 sec
Q.
What is the total number of valence electrons in a ļ¬uorine atom in the ground state?
13
30 sec
Q.
In scientiļ¬c notation, 54,000,000 is expressed as
