1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Damm [24]
2 years ago
15

How to know so many have phosphorus atoms.

Chemistry
1 answer:
anygoal [31]2 years ago
7 0

Answer:Element Phosphorus (P), Group 15, Atomic Number 15, p-block, Mass 30.974. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...

Explanation:

You might be interested in
What is the temperature in kelvins of -14°C?
julia-pushkina [17]
Answer choice B 259 kelvins
3 0
1 year ago
what is the  concentration of a NaCl solution, in Molarity, if you add 59.76 g of NaCl into 270 mL of H2O
enot [183]

Hey there!

Molar mass NaCl = 58.44 g/mol

Number of moles

n =  mass of solute / molar mass

n = 59.76 / 58.44

n = 1.0225 moles of NaCl

Volume in liters:

270 mL / 1000 => 0.27 L

Therefore:

M = number of moles / volume ( L )

M = 1.0225 / 0.27

= 3.78 M

Hope that helps!

7 0
3 years ago
What is the difference between mass and weight?
Olin [163]

Explanation:

The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. The pull of gravity on the earth gives an object a downward acceleration of about 9.8 m/s2.

7 0
2 years ago
The atom in a sample of an element must contain nuclei with the same number of?
slava [35]
Hey there! 

Answer: Protons 

The atom in a sample of an element must contain nuclei with the same number of protons. If the protons change in number, then the element will modify as well. 

Thank you!
7 0
3 years ago
When three pairs of electrons are shared in a molecule, what shape will the molecule be?
djyliett [7]
The correct answer is B. The shape of a molecule where three pairs of electrons are shared is a trigonal planar. This is characterized by one central atom and three atoms forming an equilateral triangle which is bonded to the central atom.
8 0
2 years ago
Read 2 more answers
Other questions:
  • A substance has a density of 6.26 g mL-1. What is the volume that a 2.49 g sample would occupy?​
    10·1 answer
  • Drag each label to the correct location on the table.
    10·1 answer
  • If there are 4 grams of reactant, how many grams of product are produced by the chemical reaction? A) 0 grams B) 2 grams C) 4 gr
    15·2 answers
  • Oil and water a combined to make salad dressing.
    14·2 answers
  • 11
    9·1 answer
  • A pure sample of a new chemical compound was analyzed and was found to have the following mass percentages: Al 31.5 %; O 56.1 %;
    9·1 answer
  • A scientist mixes a solid powder into a beaker
    15·1 answer
  • ¿Cuánto calor es necesario suministrar a 2 kilogramos de aluminio para que eleve su temperatura 20°C?
    10·1 answer
  • Explain<br> Question<br> 1. An atom makes<br> up a compound<br> True/False
    8·2 answers
  • Why are being flammable and combustible considered to be chemical properties and not physical properties?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!