Mid Term Review 2022 Part 1

What elements make up every macromolecule in the body?

• C, H, O

• C,H,O,N,S

• H, S, P, O

• Na, K, Ca

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Biomolecules are....

• surrounded by water

• made up of C,H,O

• surrounded by metal ions

• all of these

Tags

NGSS.MS-LS3-1

Match the following

• closer to the nucleus

• high energy electrons

• positve particle in the nucleus

• low energy electrons

• neutral particle in the nucleus

• proton

• negative particle outside the nucleus

• electron

• farther away from the nucleus

• neutron

Tags

NGSS.MS-PS1-1

Match the following

• mass # - atomic #

• # of neutrons

• protons & neutrons

• mass number

• protons

• atomic number

What is an isotope?

• same # of protons, different # of neutrons

• same # of electrons, different # of protons

• same # of neutrons, different # of protons

• something my teacher made up

Match the following

• 2 or more elements chemically combined

• compound

• elements ionically bonded together

• molecule

• elements covalently bonded

• element

• made up of all the same type of atom

• crystal

Tags

NGSS.MS-PS1-1

⁴¹Ca²⁺

How many neutrons are in this isotope of Calcium?

⁴¹Ca²⁺

How many electrons are in this isotope of Calcium?

²⁷Al³⁺

How many electrons does this isotope have?

¹⁴N^3-

How many electrons does this isotope have?