How do the physical and chemical properties of the elements change?
2 answers:
Answer:
Across each period
Step-by-step explanation:
As the electrons change in a chemical and physical reaction, they change into the surrounding chemicals in their individual periods
Answer
Step-by-step explanation: within a group
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Answer:
90
Step-by-step explanation:
supplementary angles equal 180 degrees and 90+90=180
Answer:
10
Step-by-step explanation:
5/6 =0.8333
12x0.8333 = 10
The last one is correct because 60+35+35+35=165
55+55+55=165
24 + 4(3 + 1)
= 24 + 4(4)
=24+ 16
= 40
the answer would be4.7^-10^4
