WorksheetsChem H Element Box Review
Total questions: 15
Worksheet time: 15mins
Rearrange the elements from least to greatest atomic mass.
Which part of the element box represents the number of electrons?
How many neutrons do copper atoms have?
(a)
How many neutrons do sulfur atoms have?
(a)
How many protons do aluminum atoms have?
(a)
CHOOSE ALL THAT APPLY:
Which two subatomic particles are found in the nuclues?
protons
neutrons
electrons
quatrons
megatrons
What is the center of the atom called?
(a)
Which of the following is not a term used to describe the area surrounding the nucleus of an atom?
cloud
shell
orbital
lanes
Match the charge to each subatomic particle.
Positively charged
Protons
Negatively charged
Electrons
No charge
Neutrons
Which factor determines the identify of the atom?
Atomic number
Atomic mass
Number of electrons
Number of neutrons
A student performs an experiment three times and records the following reaction times: 24 seconds, 26 seconds, and 19 seconds. Calculate the average reaction time in seconds.
SHOW YOUR WORK IN YOUR NOTEBOOK AND SHOW ME AT THE END OF CLASS TO RECEIVE CREDIT
(a)
A student answered 24 questions correctly out of 30. What percentage of the questions did the student answer correctly?
SHOW YOUR WORK IN YOUR NOTEBOOK AND SHOW ME AT THE END OF CLASS TO RECEIVE CREDIT
(a)
Out of 50 experiments, 32 were successful. What percentage of the experiments were successful?
SHOW YOUR WORK IN YOUR NOTEBOOK AND SHOW ME AT THE END OF CLASS TO RECEIVE CREDIT
(a)
A student measured the mass of a substance in three trials: 12.5 g, 13.1 g, and 12.8 g. What is the average mass of the substance?
SHOW YOUR WORK IN YOUR NOTEBOOK AND SHOW ME AT THE END OF CLASS TO RECEIVE CREDIT
(a)
The scores from five students on a chemistry test are 85, 90, 78, 92, and 88. What is the average score?
SHOW YOUR WORK IN YOUR NOTEBOOK AND SHOW ME AT THE END OF CLASS TO RECEIVE CREDIT
(a)
