3 years ago

How do you determine the atomic mass of an element?

1 answer:

5 0

Answer:

For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit. By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

Explanation:

You might be interested in

Non-conjugated β, γ-unsaturated ketones, such as 3-cyclohexenone, as in base-catalyzed equilibrium with their α,β-unsaturated is

uranmaximum [27]

Answer:

See the attached file for the structure.

Explanation:

Find attached for the explanation

7 0

4 years ago

When ammonium carbonate is heated, water, ammonia, and carbon dioxide are produced. what type of chemical reaction is occurring?

Delicious77 [7]

(NH4)2CO3----> H2O +2NH3+CO2
decomposition

5 0

3 years ago

Which element is in period 1, group 8

tatuchka [14]

<span> iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). They are all transition metals.</span>

5 0

3 years ago

Balance the equation:2Na+3H2O-2NaOH+H2

aleksandrvk [35]

Answer:

2Na + 2H2O → 2NaOH + H2

Explanation:

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products.

7 0

3 years ago

Which of the following elements has the lowest first ionization energy?

Tanya [424]

Answer:

(Sc)

Explanation:

7 0

3 years ago

Read 2 more answers