Asked by Dianni
Which of the answer choices accurately describes a trend that occurs when moving left to right across periods?
Select all that apply.
1 atomic mass increases
2 atomic radius increases
3 reactivity increases
4 valence electrons decrease
2 and 3?
Select all that apply.
1 atomic mass increases
2 atomic radius increases
3 reactivity increases
4 valence electrons decrease
2 and 3?
Answers
Answered by
DrBob222
2 is ok.
Think about 3. Does Mg have more reactivity than Na. Does Ca have more reactivity than K?
Think about 1. Except for a few hitches, doesn't atomic mass increase?
Think about 3. Does Mg have more reactivity than Na. Does Ca have more reactivity than K?
Think about 1. Except for a few hitches, doesn't atomic mass increase?
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.