What is the first step in creating a lewis structure for a molecule?

a. counting the number of lone pairs of electrons
b. counting the number of electron orbitals
c. counting the number of single bonds
d. counting the number of valence electrons

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?