kallyavilez5
kallyavilez5 kallyavilez5
  • 23-06-2018
  • Chemistry
contestada

Which is an element?
A: H20
B: NaCl
C: Mg
D: CO

Respuesta :

Nonportrit
Nonportrit Nonportrit
  • 23-06-2018
The answer is option D "CO." Co also known as Cobalt is the 27th element on the periotic table. It was discovered in 1735, it's boiling point is 3200 k.

Atomic mass: 58.9332
Protons: 27
Neutrons: 32
Electrons: 27

Hope this helps!
Ver imagen Nonportrit
Answer Link
jenn16929
jenn16929 jenn16929
  • 23-06-2018
D is the answer. The others are compounds not single elements
Answer Link

Otras preguntas

what are the words for each blank spot?
What does this symbol mean ~=
The problem is the_______. A. Rising Action B. Protagonist C. Climax D. Conflict
A shopkeepers bought 500 glass tumblers at rs 40 each . 20 glass tumblers were broken and he sold the rest at rs 45 each. Find his profit or loss percentif you
Which of the following is equivalent to -50 ? 05.52 O 512 O 5V21 0-52
f(4) = If g(x) = 2, x =
Which would be an example of a violation of someone's Fifth Amendment rights? A:the government seizing someone's property without explanation B:the government a
What is mZSRW? O 18 U O 54 O 126 O 108 (3x)º (2x + 18) R W S
a jar contains 65 pennies 27 nickels 30 dimes and 18 quarters a coin is randomly selected from the jar find each probability
What type of number is 80i?