Answer:
Explanation:
mass number = 19 + 20 = 39 (protons + neutrons)
The charge is 0. This is an atom
The symbol = K
Protons: 19
Electrons: 19
Neutrons: 20
Answer:
A substance is basic or alkaline if it's pH is greater than 7.0.
Answer:
0.693 (you can round it up if you want to)
Explanation:
Density= mass ÷ volume
54.2 ÷ 78.1 = 0.693
I hope this helped☺
The answer is True because elements in a compound combine and become an entirely different substance with its own unique properties.
Answer:
what are the answers?
Explanation:
Probably going to be c for this, until the answers you choose are shown. very very sorry :c
