Measurements show that 1.0 g of iron (fe) contains 1.1 x 1022 fe atoms. how many fe atoms are in 4.9 g of fe, which is the total amount of iron in the body of an average adult?

Answer : The number of iron atoms present in 4.9 grams of iron are,

Explanation : Given,

As we are given that 1.0 grams of iron contains iron atoms.

Now we have to determine the number of iron atoms in 4.9 grams.

As, 1.0 gram of iron contains iron atoms

So, 4.9 gram of iron contains iron atoms

Therefore, the number of iron atoms present in 4.9 grams of iron are,

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

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.