The formula of ions and there charges

Description

Chemical ions everyone needs to know for any chemistry exam
lilli.atkin
Quiz by lilli.atkin, updated more than 1 year ago
lilli.atkin
Created by lilli.atkin over 9 years ago
29
3

Resource summary

Question 1

Question
What is the formula for a carbonate ion?
Answer
  • CO2 charge; 1-
  • CO3 charge; 2-
  • CO3 charge; 3-

Question 2

Question
A sulfate ion has a charge of 2-
Answer
  • True
  • False

Question 3

Question
Whatt is the ion PO4 charge; 3- called?
Answer
  • Phosphate
  • Phosphine
  • Phosphide

Question 4

Question
An NH4 charge; 1+ is called an ammonia ion
Answer
  • True
  • False

Question 5

Question
What is the charge of a hydroxide ion?
Answer
  • 2-
  • 1+
  • 1-
  • 2+

Question 6

Question
The formula for a hydrogen carbonate ion is.......
Answer
  • HCO2 charge;1-
  • HCO charge; 1-
  • HCO3 charge; 1-

Question 7

Question
A nitrate ion (N03) has what charge?
Answer
  • 2-
  • 1+
  • 1-
  • 2+

Question 8

Question
All elements in group 2 have a valency of 2+
Answer
  • True
  • False

Question 9

Question
What valency do elements in group 5 have?
Answer
  • 4+
  • 5-
  • 5+
  • 3-
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