Answer: Potassium
Explanation: Potassium is the chemical element with 19 electrons, 19 protons and 20 neutrons.
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Since the exponent is negative, you move the decimal (2.0) to the left two spots leaving you with .02
Answer: 6.48m/s
Explanation:
From the question given, we obtained the following:
M = 50 kg
Velocity =?
Momentum = 324 kg•m/s
Momentum = Mass x Velocity
Velocity = momentum /Mass
Velocity = 324 / 50
Velocity = 6.48m/s
There are 30 inches in 2.5 just know that a foot is 12 inches so 12 times 2.5 is 30
Answer:
silicon tetrachloride or tetrachlorosilane