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
Dmitry [639]
2 years ago
9

How many protons are in the nucleus of an atom with an atomic number of 15

Chemistry
1 answer:
kykrilka [37]2 years ago
4 0

Answer:

15 protons

Explanation:

The atomic number always equals the number of protons inside the nucleus, so if the atomic number is 15, that means 15 protons are present.

You might be interested in
Which of the following is a small-scale, sudden natural change?
stellarik [79]
D because yes it works very slow 
7 0
2 years ago
How many neutrons would be in an atom of Selenium if the mass number for this particular isotope is Se-80?
EleoNora [17]

Answer:2

Explanation:

6 0
2 years ago
Does anyone know what convection,conduction,radiation??
saw5 [17]

Answer:

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

3 0
3 years ago
3. What is the name of the technique used to weigh the unknown liquid in part A of the
Anna [14]

Answer:

The technique is called weighing by difference

7 0
3 years ago
You could add solid KCl to the solution to precipitate out AgCl(s). What mass of KCl is needed to precipitate the silver ions fr
padilas [110]

Answer:

0.143 g of KCl.

Explanation:

Equation of the reaction:

AgNO3(aq) + KCl(aq) --> AgCl(s) + KNO3(aq)

Molar concentration = mass/volume

= 0.16 * 0.012

= 0.00192 mol AgNO3.

By stoichiometry, 1 mole of AgNO3 reacts with 1 mole of KCl to form a precipitate.

Number of moles of KCl = 0.00192 mol.

Molar mass of KCl = 39 + 35.5

= 74.5 g/mol

Mass = molar mass * number of moles

= 74.5 * 0.00192

= 0.143 g of KCl.

4 0
3 years ago
Other questions:
  • Four nails have a total mass of 4.42 grams how many moles of iron atoms do they contain
    5·1 answer
  • What is another word for the sound barrier?
    11·2 answers
  • What type of reaction does one reactant form two or more products?
    11·1 answer
  • An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?
    9·1 answer
  • #1: How many valence electrons are in the outermost shell of all halogens?
    13·1 answer
  • What is described by the VSEPR theory?
    13·1 answer
  • Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction? A. carbon + oxyg
    15·2 answers
  • What is unique about the moons that orbit Jupiter? (select all that apply)
    11·2 answers
  • Which element has the largest atomic radius ? Ga, Al, or Si
    13·2 answers
  • During an experiment a student measured the mass of a copper wire to be
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!