10. All atoms of the same element have the same
O number of neutrons
O mass numbers
O...
Chemistry, 19.01.2021 06:20 okayfine3411
10. All atoms of the same element have the same
O number of neutrons
O mass numbers
O number of protons
O mass
Answers: 3
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Compare and contrast physical changes with chemical changes.
Answers: 3
Chemistry, 23.06.2019 11:20
Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
Answers: 2
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Which part of the mantle is similar to the crust ? (science)
Answers: 1
Chemistry, 23.06.2019 16:00
Which of the following is a reason to make an armature the parent of a creature
Answers: 1
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