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
Bumek [7]
3 years ago
11

Can someone help me with these questions plz

Physics
1 answer:
Korolek [52]3 years ago
8 0

Im not 100% on these but i can try

1. A compound is made up of elements and their different atoms

2.

A. salt- compound (NaCl) is two elements Na (sodium) and Cl (chloride?)

B. Nitrogen- element its on the periodic table

C. Helium- element its on the periodic table

D. Water- compound (H2O) two elements hydrogen and oxygen

3. element, compound, compound, element

Hope this helps


You might be interested in
Jake calculates that the frequency of a wave is 500 hertz and that the wave is moving at 1,250 m/s. What is the wavelength of th
Neko [114]
Frequency (f) = 500 hz (SI)
Velocity (V) = 1250 m/s (SI)
Wavelength (Lambda) = ? meters

v =  \lambda \times f
1250 =  \lambda \times 500 \\ \lambda = 1250 \div 500 \\ \lambda = 2.5 \: meters
6 0
3 years ago
What action will slow down the rate of a reaction?
andreyandreev [35.5K]
B. Decreasing surface area of a solid reactant. The more surface area showing, the quicker the reaction rate.
5 0
3 years ago
Does the world actually end on April 21, 2021?
Setler [38]

Answer:

No? Umm Hi Btw I Know You Might Now Give Me Brainliest But Can I Please Have Brainliest I Had Brainliest On My other accoun.t But The Next Day It Got hacke.d That's Why Im Asking I Kept Trying To Login To My Hack.ed Account Then A Thing That says Your account Got Haccked Shows Up Everytime But Now ITs NoT Saying My Account got hacke.d anymore It Just Wont Let Me in Now.

Explanation:

7 0
3 years ago
Match each letter to the description
Makovka662 [10]

A woman walks in a  straight line with the sun to her right at six o'clock in the morning.

The sun rises East of her, so the woman is walking toward the North pole.

A man walks in a straight line with the sun to his right at six o'clock in the  evening.

The sun sets West of him, so the man is walking toward the South pole.

The woman and the man are both walking along lines of constant longitude.

5 0
3 years ago
What is the acceleration of the box shown below.
olga nikolaevna [1]

Answer:

D) 1.0m/s^2

Explanation:

Force = 50 - 30 = 20

Acceleration = 20/20

= 1

3 0
2 years ago
Read 2 more answers
Other questions:
  • A 95-kilogram boy is running at a speed of 7 m/s. What is the boy’s kinetic energy?
    8·1 answer
  • Can some one please help me with science?
    8·1 answer
  • Describe how you can use tempenture to compare how much thermal energy two objects have
    15·1 answer
  • ASAP!
    13·2 answers
  • Consider a 100 g object dropped from a height of 1 m. Assuming no air friction (drag), when will the object hit the ground and a
    13·1 answer
  • Why is most space exploration accomplished with spacecraft that do not have astronauts on board
    6·2 answers
  • As the temperature rises the solubility of all gases in water will _________
    11·1 answer
  • ANSWER ASAP PLEASE!!
    10·1 answer
  • 1. Each of four boys were given
    8·1 answer
  • A lead object and quartz object each have the same initial volume. the volume of each increases by the same amount, because the
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!