Mass is the number of protons + number of neutrons. Because electrons don't have significant weight.
Answer:
1. 1.34g
2. 1.19g
3. 0.49g
Explanation:Please see attachment for explanation
Answer:
Yes they woll react.
Explanation:
Ferous oxide and zinc will be product.
Answer:
false
Explanation:
Craters on the Moon are caused by asteroids and meteorites colliding with the lunar surface. The Moon's surface is covered with thousands of craters. ... It also has very little geologic activity (like volcanoes) or weathering (from wind or rain) so craters remain intact from billions of years.
