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
kykrilka [37]
3 years ago
14

Why do atomic models change over time

Chemistry
1 answer:
dezoksy [38]3 years ago
4 0

The model of the atom has dramatically changed over many many years.We learned atoms make up different substances and are the smallest particles of matter, which have subatomic particles that are very small portions of matter. At first scientist only thought there were electrons which are negatively charged.

You might be interested in
If Maria winks exactly 5 times every minute while she is awake
mojhsa [17]

Step by step explanation is given above.

8 0
2 years ago
True or false: This balanced equation shows the combustion of ethane: 2C2H6 + 7O2 → 4CO2 + 6H2O
MakcuM [25]

2C2H6 + 7O2 → 4CO2 + 6H2O

C2H6 is ethane,

Ethane reacts with oxygen, so it is the combustion.

The equation is balanced.

Answer is True.

5 0
3 years ago
Many _____ transfer mechanical energy from one _______ to another.
blsea [12.9K]
The answer is machines, and object. I hope this helps.
4 0
2 years ago
Identify the reactants and products in the following chemical equation: Zn +2HCl --> ZnCl2 + H2 *
Ad libitum [116K]

Answer:

A.

Explanation:

zinc and hydrochloric acid reacts to form zinc chloride and hydrogen.

hope it helps. :)

7 0
2 years ago
Eddie is going to do an experiment to find out which freezes more easily—distilled water or salt water. In what order should he
mel-nik [20]

1. Make a Prediction

2. Fill both beakers with water

3. Dissolve salt in one of the beakers

4. Place both in the freezer and observe

5. Write a report

(Always make the prediction first! That's a hypothesis!)

4 0
3 years ago
Read 2 more answers
Other questions:
  • Consider the following equilibrium:
    8·2 answers
  • I have no clue what to do, HELP!!
    8·1 answer
  • Which is greater in positive acceleration, initial or final velocity
    14·1 answer
  • An open flask is half filled with water at 25°C.
    14·1 answer
  • The ratification of the covenant in Deuteronomy 27-30 includes ________. A. Covenant blessings and curses B. Messianic promises
    13·1 answer
  • HELP!!!!!! 40 POINTS!!!!!!
    9·2 answers
  • 1. Calculate the mass of 1.000 mole of CaCl2
    9·1 answer
  • What is the mass of 22.4L of H2 at stp
    15·1 answer
  • How much energy does a photon of frequency 6 x 10^12 Hz have?
    13·1 answer
  • Identify parts A-E on the following energy diagram.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!