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
Tatiana [17]
3 years ago
8

Atoms are all around us. Which of the following best describes atoms?

Chemistry
2 answers:
Keith_Richards [23]3 years ago
7 0

Answer:

D for sure the are baccsilly grems

Explanation:

DochEvi [55]3 years ago
4 0
The answer is D.Parts of Matter too small to be seen :)
You might be interested in
At room temperature though which of the following substances would sound travel the slowest
Crank
Give me a list of objects
7 0
3 years ago
Read 2 more answers
3.
Dovator [93]

Answer : The number of grams of calcium perchlorate is, 0.00253 grams.

Explanation :

Molar mass of calcium perchlorate = 238.9 g/mol

As, 6.022\times 10^{23} formula units present in 238.9 g of calcium perchlorate

So, 6.37\times 10^{18} formula units present in \frac{6.37\times 10^{18}}{6.022\times 10^{23}}\times 238.9=0.00253g of calcium perchlorate

Therefore, the number of grams of calcium perchlorate is, 0.00253 grams.

6 0
3 years ago
How can I get the 3 sig figs of this number 187515.4207
zimovet [89]

Answer:

1.88 x 10^5

Explanation:

You have to round because all of the numbers in 187515.4207 are significant

Round to: 188000

Put in scientific notation:

1.88 x 10^5

6 0
3 years ago
Read 2 more answers
Plz help... answer this question!
Mkey [24]

Answer:

B

Explanation:

Because element is made up of only one type of atoms and figure b show only one type of atoms.

5 0
3 years ago
When 20 ml of 0.1 M HCl is mixed with 20
Bas_tet [7]

Answer:

it is b i took the test

Explanation:

4 0
2 years ago
Other questions:
  • For the following reaction, it is found that doubling the amount of A causes the reaction rate to quadruple while doubling the a
    8·1 answer
  • Which of the following statements is true?
    6·2 answers
  • If a sample of salt water has a measured concentration of 21.0 ppt, how many grams of salt are there in a 2.05 kg sample of this
    9·1 answer
  • Why is the structure of a molecule important to its function
    11·1 answer
  • How many moles are present in a 120.0g sample of calcium
    10·2 answers
  • 9.78 cm equals how many <br> mm
    6·2 answers
  • HURRY I NEED TO GET OFF SOON PELASEE THIS IS ALSO FOR A 60 POONT GRADE ITS SO IMPORTANT WILL GIVE BRAIN LIEST
    6·1 answer
  • Can you think of a way you use the geometrical terms reflection and translation in real life?
    11·1 answer
  • Density and Years: What do you know?Objectives: determine and compare density of pennies to assess composition. Procedure:1. Rea
    8·1 answer
  • Write the name for: Mg3O2
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!