7.30 x 10^-7 km. the others have 4 significant figures.
Answer:
C. Covalent Bond
Explanation:
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
Copper is an brown-orange color which it's atomic number is 29. With high thermal and electricity conductivity with it's smooth surface.
H ( hydrogen ) is the answer I believe.
Answer:
Mass is the amount of matter in an object.
Weight is how much an object weighs.
Hope this helps!
