Density is a physical property. It's measured and doesn't change the object chemically.
Heat is like the fire it’s hot.
I think it’s B
Sorry if I’m wrong
Ions are electrically charged particles formed when atoms lose or gain electrons. They have the same electronic structures as noble gases. Metal atoms form positive ions, while non-metal atoms form negative ions. The strong electrostatic forces of attraction between oppositely charged ions are called ionic bonds.
Answer:
negative
the chage on hydroxide ions os negative
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