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
igor_vitrenko [27]
3 years ago
6

What is the mass number of sodium

Chemistry
2 answers:
lina2011 [118]3 years ago
3 0

Answer:

Explanation:

Sodium mass number 23, 11 electrons

Magnesium: neutrons = 12

aluminum : atomic number  = 13

phosporus : protons = 15

Pavlova-9 [17]3 years ago
3 0

Answer:

23

Explanation:

You need to add protons and neutrons to get mass

You might be interested in
What are the number of protons, electrons, and neutrons in Potassium
gayaneshka [121]
<span><span>Number of Protons-19 </span><span>Number of Neutrons-20 </span><span>Number of Electrons-<span>19</span></span></span>
4 0
4 years ago
Read 2 more answers
Four properties of water are listed.
vichka [17]

Explanation:

Physical property

1- Water is colorless and odorless in its pure form

6 0
3 years ago
What is the concentration of a solution prepared by placing 20. mL of 0.12 M K2S in a graduated cylinder and pouring water until
MAVERICK [17]

Answer: 0.024 M

Explanation:

According to the neutralization law,

M_1V_1=M_2V_2

where,

M_1 = molarity of stock solution = 0.12 M

V_1 = volume of stock solution = 20.0 ml

M_2 = molarity of diluted solution = ? M

V_2 = volume of diluted solution = 100.0 ml

Putting in the values we get:

0.12M\times 20.0=M_2\times 100.0

M_2=0.024

Therefore, the concentration of the resulting solution is 0.024 M.

3 0
3 years ago
Which properties of glass are a promblem in transporting food and drink?​
poizon [28]

Answer:

awww this is so cuteeeee

Explanation:

oml really

5 0
3 years ago
Read 2 more answers
When a rain forest is slashed and burned, the local concentration of carbon dioxide in the atmosphere increases. This is primari
tiny-mole [99]

The local concentration of carbon dioxide in the atmosphere increases when rainforest is slashed and burned because there is less vegetation to use CO2 for photosynthesis.

<h3>WHAT IS PHOTOSYNTHESIS:</h3>
  • Photosynthesis is the process whereby green plants obtain their food (glucose) using energy from sunlight.

  • Green plants in an ecosystem absorb carbon dioxide (CO2) from the atmosphere as one of the reactants of photosynthesis.

Therefore, this means that the local concentration of carbon dioxide in the atmosphere increases when rainforest is slashed and burned because there is less vegetation to use CO2 for photosynthesis.

Learn more about photosynthesis at: brainly.com/question/1388366

7 0
3 years ago
Other questions:
  • 0.5 moles of any gas is at STP, it will occupy how many LITERS of volume?
    5·1 answer
  • When 25.0 grams of water are cooled from 20.0 degrees Celsius to 10.0 degrees Celsius the number of joules of heat energy releas
    15·1 answer
  • Moseley made revisions to the periodic table that resolved some of the problems with Mendeleev's version. Which of these was a r
    7·1 answer
  • 1. If a liter of water is heated from 20°C to 50°C, what happens to its volume?
    8·1 answer
  • Laura has 3 beakers. Each contain 200cm3 of colourless liquid. Describe how Laura could determine which beakers contain pure wat
    14·1 answer
  • I ALIUD NIE<br> Convert 242.0 kPa into mm Hg.
    8·1 answer
  • Can someone please answer my last question, ill post more like it for more points :)
    14·1 answer
  • What happens after we die? spirtually and physically
    9·2 answers
  • Air has
    5·2 answers
  • CLAIM:Pennies are not all copper.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!