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
Alexandra [31]
3 years ago
15

Hydrogen is a pure substance represented by the chemical symbol . Which of the following best describes hydrogen?

Physics
1 answer:
PolarNik [594]3 years ago
4 0

Answer:

D.Hydrogen is a compound made of two or more kinds of atoms.

You might be interested in
Two children stand on a platform at the top of a curving slide next to a backyard swimming pool. At the same moment the smaller
FinnZ [79.3K]

Answer:

THE KINETIC ENERGY OF THE SMALLER CHILD IS LESS THAN THAT OF THE BIGGER CHILD

Explanation: Kinetic energy is the energy that is exerted on a body that is in motion, kinetic energy is affected by both the mass of the object and the velocity of the object.

Mathematically,Kinetic energy is represented as follows;

K.E=1/2MV^{2}

Where M represents the mass of the object in kilograms and V represents velocity of the moving object measured in meters per seconds.

The higher the weight of the object the higher the kinetic energy of the object which means the bigger child will have a higher kinetic energy than the smaller child.

7 0
3 years ago
Mrs. Smith can walk 1.4 m/s. If it takes her 8.5 seconds to get to the teacher lounge, how far is the teacher lounge from her ro
AlexFokin [52]

Answer:

6 meters away

Explanation:

6*1.4= 8.4 which is pretty close

5 0
3 years ago
Current is measured with
kirill115 [55]
A ammeter. I hope this helps. 
6 0
3 years ago
What does an atomic nucleus give off a particle?
____ [38]
The correct answer is answer choice B.
5 0
3 years ago
In a lab,two pieces of cellphane tape are placed on a lab table. They are quickly ripped off the lab table. Which would you pred
galben [10]

Answer:

they would repel each other

Explanation:

they have gained the same charge

4 0
3 years ago
Other questions:
  • I need help. Can you help me? Thank you
    7·1 answer
  • What type of energy is released when a firecracker explodes
    15·2 answers
  • If element x has 44 protons how many electrons does it have?
    14·1 answer
  • Which Law is connected with inertia?
    14·2 answers
  • What does it mean when the
    13·1 answer
  • a toy of mass 600 is whirled by a child in a horizontal circle using a string of length 2m with a linear speed of 5 m/s determin
    11·1 answer
  • 3. Define 1 standard kilogram?<br>​
    6·2 answers
  • A rocket is being launched straight up. Air resistance is not negligible.
    8·2 answers
  • The stimuli for kinesthesis is the __________ energy of joint and muscle movement. a. thermal b. electrical c. mechanical d. che
    12·1 answer
  • A simple machine that combines two inclined planes and is used to split objects is called a __________.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!