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
SCORPION-xisa [38]
3 years ago
13

An atom with 4 protons, 5 neutrons, and 4 electrons has an atomic mass of _____ amu.

Chemistry
1 answer:
Len [333]3 years ago
6 0

Answer:

9

Explanation:

atomic mass = number of protons + number of neutrons = 4+5 = 9 amu

You might be interested in
Chlorophenols impart unpleasant taste and odor to drinking water at concentrations as low as 5 mg/m3. They are formed when the c
trapecia [35]

Answer:

See explaination

Explanation:

Chlorine’s disinfection properties have helped improve the lives of billions of people around the world. Chlorine also is an essential chemical building block, used to make many products that contribute to public health and safety, advanced technology, nutrition, security and transportation.

Please kindly check attachment for the step by step solution of the given problem.

4 0
3 years ago
How many moles are found in 10.5 g of Pb?
deff fn [24]

Answer:

Number of moles = 0.05 mol

Explanation:

Given data:

Mass of Pb = 10.5 g

Number of moles of Pb = ?

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of Pb is 207.2 g/mol.

Now we will put the values in formula.

Number of moles = 10.5 g/207.2 g/mol

Number of moles = 0.05 mol

6 0
3 years ago
PLEASE HELP
alukav5142 [94]

Answer:

will form bonds between atoms. for more details are in the pic

7 0
3 years ago
Ceruloplasmin is:Multiple Choicea zinc-containing enzyme in the intestinal wall.a copper-containing enzyme that oxidizes Fe2+ to
Artemon [7]
Gatdrfshefeegdgtttrretertretdffdddgetdf drew d rheyrhsfrtgdurudhdhhhyyttyfggfhftttytertyzt
6 0
4 years ago
One example of a physical change is
Gekata [30.6K]
Plucking eyebrows hehe
8 0
3 years ago
Read 2 more answers
Other questions:
  • A certain compound is made up of one carbon (c) atom, two bromine (br) atoms, and one oxygen (o) atom. what is the chemical form
    10·2 answers
  • The ability of carbon to attrack electrons is
    8·1 answer
  • What is the atomic number of an ion with 5 protons, 6 neutrons, and a change of 3
    8·1 answer
  • Give the ΔH value for the combustion of butane as shown in the reaction 2C4H10(g)+13O2(g)→8CO2(g)+10H2O(g)+5315 kJ.
    13·2 answers
  • KCl is an ionic salt with a formula weight of 74.54 g/mole. A 1.417 M (mole/liter) KCl solution has a density of 1064.5 grams/li
    9·1 answer
  • Give four examples illustrating each of the following terms. a. homogeneous mixture b. heterogeneous mixture c. compound e. phys
    8·1 answer
  • Which of the atoms shown has an atomic number of 4?
    10·1 answer
  • If magnesium and nickel were used as electrodes to construct an electrochemical cell like the one shown at right, which metal wo
    14·1 answer
  • 3. Which of the following could be characterized as macronutrients in food?
    12·1 answer
  • Nguyên tử X có tổng số hạt là 34, số khối X là 56. Điện tích hạt nhân của X là?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!