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
Murrr4er [49]
3 years ago
10

10.What is the mass number of silicon (Si) when it has 15 neutrons?Required to answer. Single line text.

Chemistry
1 answer:
fgiga [73]3 years ago
3 0

Answer:

29

Explanation:

no of electrons=14

neutron no=15

14+15

29

You might be interested in
What is the pH of 0.0850 M HNO3?
agasfer [191]
A pH of exactly 1. I’m not lying... look it up.
8 0
3 years ago
A soccer player kicked a soccer ball up the hill which statement is true
Damm [24]

Answer:

the boy is on Steroids

Explanation:

5 0
3 years ago
You have two choices to provide energy to a community. You can burn butanol (C4H9OH) derived from biomass or you can install pho
Viktor [21]

Answer:

Price for 20years = $2,079.8

Recommendation: Solar energy is cheaper and more efficient for the community. The source is renewable source of energy with zero pollution

Explanation:

6 0
3 years ago
A kno3 solution containing 47 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
kakasveta [241]

When water is cooled from 40^{0}C to 0^{0}C, the temperature of the solution is decreases. Due to decrease in temperature, the intermolecular forces which are present between the solute particles will not break easily.

Decrease in temperature also results in the decrease in solubility. Thus, due to decrease in temperature,  KNO_{3} will precipitate implies that the solubility of KNO_{3} in water decreases.

Hence, precipitation of KNO_{3} occurs.

4 0
3 years ago
Explain how our atmosphere works like greenhouse glass and identify the gases involved.
pav-90 [236]
Gases<span> in the </span>atmosphere<span> such as carbon dioxide </span>do<span> what the roof of a </span>greenhouse does. Earth's<span> surface warms up in the sunlight. At night, </span>Earth's surface cools, releasing the heat back into the air. The gases involved in the greenhouse effect are carbon dioxide<span>, </span>methane<span>, </span>nitrous oxide<span>, </span>halocarbons<span>, chlorofluorocarbons, </span>water vapor<span>, and </span>ozone<span>. These gases are all in Earth's atmosphere.</span>
5 0
4 years ago
Read 2 more answers
Other questions:
  • 1. How would you explain that energy in animals' food was once energy
    13·2 answers
  • Which statement describes a chemical property of water
    13·1 answer
  • 4.True or false. P(E) + P(Ec) = 1.
    9·1 answer
  • The activation energy for the reaction no2(g)+co(g)⟶no(g)+co2(g) is ea = 100 kj/mol and the change in enthalpy for the reaction
    8·1 answer
  • Which substance has a coefficient of 2 when you balance the equation for this redox reaction? cu(s) + hno3(aq) → cu(no3)2(aq) +
    7·1 answer
  • whats the name of the group 13 of the periodic table? 14 is cristalogens and 15 pnictogens and 16 chalcogens and 17 halogens and
    11·1 answer
  • The leading couse of air pollution is
    7·2 answers
  • A _______ is a repeating disturbance or vibration that transfers or moves energy from place to place without transporting mass.
    15·2 answers
  • The fastest man can run 100 meters in 10 seconds. What is his speed in miles per hour?
    6·2 answers
  • Explain each of the following observation the melting point of lithium is higher than that of potassium
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!