Carbon and silicon are located in group 14 (4A) on the periodic table. How are carbon and silicon different? Carbon has an atomic mass of 6, and silicon has an atomic mass of 14.

Carbon has 2 shells of electrons, and silicon has 3 shells of electrons.

Carbon has 12 electrons, and silicon has 28 electrons.

Carbon has 14 protons, and silicon has 28 protons.

d

explanation:

v=uf/(u-f)

= 5.10/(5-10) convex lens has positive focal length

=50/-5

=-10 cm (formed at other side)

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle