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
Agata [3.3K]
3 years ago
6

Help anyone????? Please

Chemistry
1 answer:
vivado [14]3 years ago
8 0

Answer:

#1 is protons electrons and neutrons

their respective parts are center, positive ,and no charge

#2 is positive charge, chemical properties

#3 is the number of protons, characteristics, same

#4 is atomic mass, average atomic mass

#5 is mass number, nucleus

Explanation:

no need to say thank tou i know ur in class

You might be interested in
A tetraphenyl phosphonium chloride (TPPCl) powder (FW=342.39) is 94.0 percent pure. How many grams are needed to prepare 0.45 L
slega [8]

Answer:

5.41 g

Explanation:

Considering:

Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}

Or,

Moles =Molarity \times {Volume\ of\ the\ solution}

Given :

For tetraphenyl phosphonium chloride :

Molarity = 33.0 mM = 0.033 M (As, 1 mM = 0.001 M)

Volume = 0.45 L

Thus, moles of tetraphenyl phosphonium chloride :

Moles=0.033 \times {0.45}\ moles

Moles of TPPCl = 0.01485 moles

Molar mass of TPPCl = 342.39 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

0.01485\ g= \frac{Mass}{342.39\ g/mol}

Mass of TPPCl = 5.0845 g

Also,

TPPCl is 94.0 % pure.

It means that 94.0 g is present in 100 g of powder

5.0845 g is present in 5.41 g of the powder.

<u>Answer -  5.41 g</u>

5 0
3 years ago
What is the variable that is changed by
denpristay [2]

Answer:

b. independent/manipulated variable

Explanation:

Independent/manipulated variable - refers to the variable that is changed by the scientist or an experimenter. Only one variable that is independent is required to ensure a fair test in an excellent experiment. As the independent variable is being changed by an experimenter or scientist, data is being recorded simultaneously as they are collected.

3 0
2 years ago
Cytokinesis happens differently for plant and animal cells. Both separate cytoplasm between two new daughter cells. However, whi
8090 [49]

Answer:

Animal Cell Cytokinesis

Explanation:

5 0
3 years ago
Read 2 more answers
What does Gravity means<br><br><br> Please it’s due today need help please
masya89 [10]

Answer: The force of attraction occurring between two masses.

7 0
3 years ago
Read 2 more answers
PLEASEEEEEEEEEEEEEEEEE HELPPPPPPPPPPPPPPPPPPPPPPPP
Sophie [7]

give a very origin example a student that include B sin displayed

7 0
2 years ago
Other questions:
  • How many atoms are in 2 moles of phosphorus
    14·1 answer
  • Calculate the density of air at 100 Deg C and 1 bar abs. Use the Ideal Gas Law for your calculation and give answer in kg/m3. Us
    11·1 answer
  • Below is a list of substances. Some are mixtures and some are not. Select all of the substances which are homogeneous.
    10·1 answer
  • Which group was fighting communists in Nicaragua in the 1980s?
    13·1 answer
  • A strong acid _____. has a large K a has a large concentration of hydroxide ions has a small K a has a high pH number
    12·2 answers
  • which scientist would study the force of a car running into a wall? A) A chemist B) A physicist C) A botanist D) A biologist
    15·1 answer
  • An ___________________ states a position on a topic and then supports that position with reasons and evidence.
    15·1 answer
  • А
    10·1 answer
  • HELP!!! WRITE THE CORRECT ISOTOPE NOTATION FOR EACH OF THE FOLLOW:
    13·1 answer
  • What is the name of CrO2?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!