Monel metal is an alloy of nickel and copper that contains 28% copper. How many copper atoms are present in a 71 g sample of monel?

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

lol idk man i guess u gotta ask bill nye the science guy

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.