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
Shkiper50 [21]
3 years ago
12

Which list represents the classification of the elements nitrogen, neon, magnesium, and silicon, respectively?

Chemistry
1 answer:
madam [21]3 years ago
6 0

Answer:

A

Explanation:

Nitrogen is a reactive nonmetal. That leaves A or C, neon is a noble gas, the rest make sense too. Magnesium is an alkaline earth metal. silicon is a metalloid.

You might be interested in
Write a summary of the science of muscle growth?
frez [133]

Answer:Muscle growth or “skeletal muscle hypertrophy,” as it's called at science parties) is the result of a complex process that adds more myosin “filaments” to each muscle fiber. This makes the “engine” of the cell bigger and stronger over time. ... This process is called muscle protein synthesis, or MPS. Skeletal muscle is composed of thread-like myofibrils and sarcomeres that form a muscle fiber and are the basic units of contraction. The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum.

4 0
3 years ago
How many joules are required to raise the temperature of 15.0 grams of water by 10 degrees Celsius?
tester [92]
The question is based on the Thermodynamic principle of Specific Heat Capacity. Now, Specific Heat Capacity refers to the amount of heat needed per unit mass t raise the temperature by one degree Celsius

The formula that can be used to find the answer is the following:
   Q = C · m · ΔT ( where Q is the heat added/required; C is the specific heat capacity [4.186 joule/gram °C]; ΔT is the change in temperature)

Based on the question, what needs to be found is Q, and what is known is that C = 4.186 J/g °C; m = 15 g;  ΔT = 10 °C

so,           Q = C · m · ΔT
                Q = (4.186 J/g °C) (15 g) (10 °C)
                Q = 627.9 J

Thus, the number of <span>joules required to raise the temperature of 15.0 grams of water by 10 degrees Celsius is 627.9 J</span>
6 0
3 years ago
Materials: • One disposable plastic cup • One disposable plastic spoon (plastic fork or knife may be used instead) • Thermometer
Leya [2.2K]
I'm not sure what the question is, this is a lab proecdure
4 0
3 years ago
Helppp me plzzzzz!!!
choli [55]

Answer:

they use echos to communicate

Explanation: dolphins make echos in order to signal there partners, and others in there pod. or they can use it to signal for prey, or signal that they are in trouble.

8 0
3 years ago
Read 2 more answers
Which phrase best describes electronegativity?(1 point)
frez [133]

Answer:

ELECTRONEGATIVITY is the tendency of an atom in the molecule to attract the bonded pair of electrons .

Explanation:

it might help you!!!!!!

6 0
3 years ago
Read 2 more answers
Other questions:
  • As with any combustion reaction, the products of combusting a hydrocarbon fuel (CxHy) with oxygen (O2) are carbon dioxide (CO2)
    14·1 answer
  • Silver nitrate bond type
    5·1 answer
  • What's the answer to number 5? I need the answer quickly please
    14·1 answer
  • How do u find the volume of a sphere
    13·1 answer
  • How many molecules are in 4.0 mol h20
    13·1 answer
  • What are three sources of information scientist use when they do research
    8·1 answer
  • A sample of nitrous Oxide has a volume of 1 £.20 at 1500 mm HG and -10°C. Calculators pressure when it’s value is compressed 250
    15·1 answer
  • Which is the formula for nitrogen trihydride? NH3 N3H 3NH N3H3<br><br>NH3<br>N3H<br>3NH<br>N3H3
    11·2 answers
  • What is the connection between living organisms and atoms
    6·2 answers
  • Draw the major organic product for the reaction of 1-phenylpropan-1-one with the provided phosphonium ylide.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!