An atom is composed of protons, neutrons, and electrons. What is the electric

charge on an electron?

+2

0

-1

+1

In view of Bohrs explanation of the link between emission spectra and electron transitions, answer more fully the question, What does each line represent in the emission and absorption spectra of an incandescent gas?

How many gallons in 2 L bottle

Where did the asteroids in the asteroid belt come from? restrial 90% They are the result of a planet's explosion. anets and They are the remains of comets that got too close to the sun.

Type of reaction breaking a large molecule into smaller molecules?

What is another word for living things.

There is a large increase in ionization energy between the second and the third ionization energies of a metal. What kind of ion is the metal likely to form? Include the charge in your answer.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: CaCO3 (s) ⇌ CaO (s) + CO2 (g) adding more CaCO3 will shift the equilibrium to the right.

How many sulfide ions are present in 23.5g of Sb2S3

2. An automobile tire has a pressure of 210 kPa at 293 K. What will be the tire pressure after driving, if the tire temperature rises to 308 K?

Students measuring the mass of a rock record 6.759 g, 6.786 g, 6.812 g, and 6.779 g. Which other measurement of the block's mass would be most precise? A. 6.702 g B. 6.781 g C. 6.605 g D. 6.858 g