An unknown substance has a volume of 15. 8 cm 3 and a mass of 2 grams. Use the chart above to identify the unknown substance. What is the substance?
a.
iron
b.
silver
c.
water
d.
gold

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Which substance has non polar covalent bonds

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.