Help? I missed 3 days of school ;-;
2 answers:
Ill get you started: 3 is 1,1,2.
Wow that's terrible. But I don't know the answer. Hope you find help fast. Bye.☺️ ✌️
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Answer:
Oh Okay
I hope u have a better rest of ur day
I need help on this one too I think it might be (b)
Answer:
Oxygen, it's supposed to have six valenge electrons.
Explanation:
Count the dots on the oxygen atom, you'll see seven, but there's supposed to be six.
The atomic mass on the periodic table represents the sum of number of protons and number of neutrons.Atomic mass = Number of protons + number of neutrons
Answer:
The electron configuration for a
Mn3+ ion is [Ar]3d4
Explanation:
