The first one is correct cause first of all it's atomic number is 7 and second of all it's atomic mass is about 15
Answer:
having a smooth or lubricated surface may help decrease friction.
Explanation:
Answer:
Explanation:
own definitions for the words definite and occupy.
Example sentence
Solid is the state of matter that has a definite shape and volume.
definite:
__________
Example sentence
A larger container will allow a gas to occupy more space.
occupy:
mole=10 x 10⁻³ : 46 g/mol = 2.17 x 10⁻⁴
B) hydrogen gas burns in air.
explanation: the rest are physical properties.
