What is true about the force between charges?
Check all that apply.
A. Opposite charges repel each other.
O
B. The force between charges changes as the distance between
them changes.
o
c. Like charges repel each other.
O
D. Like charges attract each other.

Molybdeum(mo)orruthenium (ru)actually, elements with similar chemical properties as technetium would bemn, re, and bh. this is because elements in the same group/family (column) have similar chemical properties. elements in the same period (row) have the same number of energy levels (or shells).

An electromagnet is a material in which the current produces electromagnetism and is passed to the core.  so to fill in the blanks, choices would be better if there were.an electromagnet is a magnet produced by electric current with a metal core