The following are heterogeneous mixture: MILK THAT IS SOLD AT THE STORE, A CAKE MIX AND MIXED NUT.
An heterogeneous mixture is one which contained many parts which can be separated out.
A smoothie is an homogeneous mixture because the juice of different fruits that are use can not be separated out.
Answer:
there are no questions but hit me up if ya need me (discordAkashTheMissle07#3880)
Explanation:
Bromine atoms usually end up with SEVEN valence electrons.
Bromine belongs to group 17 i.e. halogen group. Its atomic number is 35. The electron configuration of Bromine is 1s² 2s²2p⁶ 3s²3p⁶ 4s²3d¹⁰4p⁵. In the last shell, we see 4s²4p⁵, thus 2+5 = 7 valence electrons are present.
The answer is B. The heart contracts and expands to move blood
Period are going left to right across the periodic table
Groups are going up to down on the periodic table