Answer:
C. representative elements.
Explanation:
Families 1 - 2 and 13 - 18 are called representative elements or often times, main group elements.
- Elements on the periodic table belongs to four blocks which are s, p, d and f blocks.
- Those in the s and p-blocks are the main group elements also called representative elements.
- Their outer-shell are not completely filled with electrons but their inner shell is completely filled.
Answer:
—COOH
Explanation:
—COOH, acid group, containing 3 elements, C, carbon, O, oxygen, and H, hydrogen.
Answer:
2510
Explanation:
Since there are 10 milimetres in 1 centimetre, 1 cm = 10mm
There are 10 times as many milimetres as centimetres.
251cm X 10 = mm
251cm = 2510mm
Answer:
dhyfbcvedufcd
Explanation:
fefcdwhysgdyfceg fdcvrsfr drwwgr ghwf cvvwedfhdfh
Answer: The hydrogen bond will typically form between a hydrogen atom and either a nitrogen, sulfur, or oxygen atom.
I hope that this helps you !
