Physics, 26.10.2020 16:10 melissapulido198
Atoms of different elements can join together in arrangements to produce a
variety of substances that are found on Earth. There are more than a hundred
known elements. Which of the following best describes these elements?
F. Most of these elements are metals.
G. Most of these elements are metalloids.
H. Most of these elements are nonmetals.
I. Most of the these elements are noble gases.
Answers: 1
Physics, 22.06.2019 02:20
According to newton’s first law of motion, which force is expected to cause a body to accelerate?
Answers: 1
Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
Answers: 3
Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Atoms of different elements can join together in arrangements to produce a
variety of substances th...
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