Twa kɔ nsɛm atitiriw so
Log in
Sign up for FREE
arrow_back
Laabri

Year 9 Atomic structure RAM calculations

star
star
star
star
star
Last updated 20 days ago
7 Nsɛmmisa
4
4
1
Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Calculate the RAM of Chlorine using the abundances given.

Calculate the relative atomic mass of chlorine, give your answer to 3 significant figures.

1
1
1
1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Copy the first example into your book as a model answer.

For the other examples, complete the calulations in your book and use the Formative to check your answer.

Give any corrections the title MTD - from formative.

RAM = ( + Abundance of Mg-25 x + x 26 ) /

Mmuae Afoforo a Wobɛpaw:
100
Abundance of Mg-24 x 24
25
Abundance of Mg-26
Asemmisa {{asɛmmisaAhyɛnsode}}
2.

RAM = (x 24 + 10.00 x + x 26 ) /

RAM =

Note that while the mass of an isotope has to be a whole number, the RAM of an element can be a decimal.

Mmuae Afoforo a Wobɛpaw:
Abundance of Mg-26
79.00
25
100
24.32
11.00
Asemmisa {{asɛmmisaAhyɛnsode}}
4.

What is the RAM of Li

Select the correct option:

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

What is the RAM of copper?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

What is the RAM of bromine?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Calculate the relative atomic mass and enter your answer to 3 significant figures.