app1ep1ec0s
app1ep1ec0s app1ep1ec0s
  • 02-11-2020
  • History
contestada

Which of these is a metal?
A. Helium
B. Potassium
C. Nitrogen
D. Phosphorus

Respuesta :

Wolfwastaken
Wolfwastaken Wolfwastaken
  • 02-11-2020

Answer:

Potassium

Explanation:

It is classified as an alkali metal. Potassium atoms have 19 electrons and 19 protons with one valence electron in the outer shell. Potassium is considered chemically similar to sodium, the alkali metal above it on the periodic table. Under standard conditions potassium is a soft silvery-white metal.

Answer Link

Otras preguntas

what is the plural of volcano
A cereal box has a height of 32 centimeters. It has a base with an area of 160 centimeters. What is the volume, in cubic centimeters, of the cereal box.
what solid does a recorder look like
Which sentence uses a verb that agrees with its pronoun subject? A. Have I said anything to worry you? B. You girls has to finish your homework before dinner. C
Should children be restricted from caffeine use?why? is this a matter for government involvement? parental guidance? Explain
Why do you think many Cubans support their government's policies?
word form for 10 times 10 times 10 times 10 times 10
what is 1430÷75 in fraction form
mr. Fields ordered 3 tons of gravel for driveway at a factory how many pounds of gravel did he order
what problems arose as a result of disagreements between catholics and protestants