Can someone explain number three to me? i don’t need the answers i just don’t understand
1 answer:
Answer:
Step-by-step explanation:
You'll have an idea of the positive or negative charge on the ion from the periodic table
For example Magnesium is in group 2 and its ionic charge is +2 Mg2+
In the higher groups the charge on the on is negative For example
Chlorine ion is Cl- (its in group 7 and it has (8-7) = 1 negative charge
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2/9 is the answer hope it will help
Answer:
x is 20
Step-by-step explanation:
Answer:
false
false
true
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Step-by-step explanation:
brainliest?
To calculate the slope you need to do (y2-y1)/(x2-x1). So you would get:
(17-12)/(4-9)
5/-5
=-1
Hope this helps.
No real solutions, because for all real numbers the square of number is greater or equal 0.
