Which statement describes a newton?
O
O
O
o
It exists only for objects on Earth.
It measures the mass of an object.
It reflects the amount of force an object exerts.
It states that every object attracts another object.
2

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)