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2 (a) The formula for beryllium hydroxide is Be(OH)₂ - Edexcel - GCSE Chemistry - Question 2 - 2018 - Paper 1
Question 2
2 (a) The formula for beryllium hydroxide is Be(OH)₂. How many different elements are combined together in beryllium hydroxide, Be(OH)₂? Put a cross (×) in the box ... show full transcript
Worked Solution & Example Answer:2 (a) The formula for beryllium hydroxide is Be(OH)₂ - Edexcel - GCSE Chemistry - Question 2 - 2018 - Paper 1
Step 1
Step 2
Complete the table to show the relative mass and relative charge of a proton, a neutron and an electron.
Answer
The completed table is as follows:
| relative mass | relative charge |
|---|---|
| proton | +1 |
| neutron | 1 |
| electron | 1/1836 |
In this table, the proton has a relative mass of approximately 1 and a charge of +1, the neutron has a relative mass of approximately 1 and a charge of 0, and the electron has a very small relative mass of approximately 1/1836 with a charge of -1.