subject

Chemistry, 11.11.2019 07:31 Leigh305

Describe the composition of the nucleus of an atom.
a) it is composed of protons.
b) it is composed of protons and neutrons.
c) it is composed of protons and electrons.
d) it is composed of protons, neutrons, and electrons.

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 01:30

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Answers: 3

question

Chemistry, 23.06.2019 01:30

Adirect relationship can be represented by: a curve a pie chart

Answers: 2

question

Chemistry, 23.06.2019 14:00

How much would you need to weigh out in order to have 0.2moles of magnesium atoms?

Answers: 1

question

Chemistry, 23.06.2019 20:00

The osmotic pressure exerted by a solution is equal to the molarity multiplied by the absolute temperature and the gas constant r. suppose the osmotic pressure of a certain solution is measured to be 12.atm at an absolute temperature of 317k. write an equation that will let you calculate the molarity c of this solution. your equation should contain only symbols. be sure you define each symbol other than r. equation: c=? definition of symbols: ? = 12 atm ? = 317 k

Answers: 3

You know the right answer?

Describe the composition of the nucleus of an atom.
a) it is composed of protons.
b) it...

Questions

question

English, 30.03.2020 22:01

I need help I’m 14 and I’m gay I made a mistake and I cheated on my ex I love him still but he asked me to give him time he’d respond to me when he’s...

question

Mathematics, 30.03.2020 22:01

How many time can 9 go into 11...

question

Mathematics, 30.03.2020 22:01

8.3* for (a) x= -2 and (b) x = 3...

question

Chemistry, 30.03.2020 22:01

Which process uses a volume of solution of known concentration to determine the concentration of another solution...

question

Physics, 30.03.2020 22:01

Ideally, the angular momentum before a collision is equal to the angular momentum after collision. How does the kinetic energy of the spinning disk be...

question

Business, 30.03.2020 22:01

When Hope Springs develops its flavored water additive and uses the college town where Gabbie and Justin are students to gauge if there is ample produ...

question

Mathematics, 30.03.2020 22:01

EXAMPLE 4 Find the moments of inertia Ix, Iy, and I0 of a homogeneous disk D with density rho(x, y) = rho, center the origin, and radius a. SOLUTION T...

question

Mathematics, 30.03.2020 22:01

F ( x ) = 4 + 2 x 2 − x 4 (a) Find the interval(s) of increase. (Enter your answer using interval notation.) (-oo,-1)U(0,1) ( − [infinity] , − 1 ) ∪ (...

question

Business, 30.03.2020 22:01

Crestfield leases office space. On January 3, the company incurs $22,000 to improve the leased office space. These improvements are expected to yield...

question

Mathematics, 30.03.2020 22:01

Evaluating Equations:The party planning committee has to determine the number of table can fit 8 people and a round table can fit 6 people, the equati...

question

Mathematics, 30.03.2020 22:01

Match the change in the position of the minute hand with the angle made by the change. The minute hand moves from 2 to 9. The minute...

question

History, 30.03.2020 22:01

If the Magna Carta had been the last words ever written on reform, would it have made a difference in the long run? Why? or Why not?...

question

Engineering, 30.03.2020 22:01

Air, at a pressure of 700 kPa and a temperature of 80°C, flows through a convergent– divergent nozzle. The inlet area is 0.005 m2 and the pressure on...

question

Mathematics, 30.03.2020 22:01

What is thought to be the main driving force behind plate movements? A. Simple convection cycles in the mantle B. Slab push

question

Mathematics, 30.03.2020 22:01

Let matrix A=[8 -2] [4 7] Let matrix B=2A. find b22.

question

Mathematics, 30.03.2020 22:01

Circle N is shown. LIne segments L N and M N are radii. The length of L N is 4. Angle L N M is 72 degrees. Sector L N M is shaded.What is...

question

English, 30.03.2020 22:01

What does the author say in this passage that indicates his purpose is to motivate readers...

question

Biology, 30.03.2020 22:01

A scientist is crossing different pea plants together. She finds that tall is dominant to short and round peas are dominant to wrinkled peas. What are...

question

Mathematics, 30.03.2020 22:01

What is the image point (-2,-7) after a translation right 4 units and down 2 units...

question

History, 30.03.2020 22:01

Overcrowding High crime rate Poor sanitation In the early 1900s, these problems were most directly a result of...

More questions: Chemistry Another questions