What is a substance made of identical atoms called?

The factor that affects how easily an electron can be removed from an atom is the A. surrounding atoms. B. temperature of the environment. C. size of the atom. D. structure of the atom.

What is the mass of 2.50 * 1022 molecules of NaOH (Molar mass = 40.0 g/mol) ?

A glass object receives a positive charge by rubbing it with a silk cloth. In the rubbing process, have pro - tons been added to the object or have electrons been removed from it?

A sugar has the formula C6H12O6. One mile of this sugar is burned completely in air. What is the minimum number of moles of CO2 that could be produced? A. 3 B. 9 C. 12 D. 6

Question 6 of 10 Which of the following would result in a transmutation? A. An alpha particle is emitted. B. A gamma ray is emitted. C. A neutron is absorbed. D. An electron is lost.

Which of these conclusions can be drawn from Rutherford's experiment? A: Each atom contains electrons. B: The nucleus of an atom can be split. C: Each atom contains protons. D: Atoms are mostly empty space.

Describe one major laboratory accident mentioned in the training presentation, what chemicals were involved, the type of PPE that was worn at the time of the accident, and how it could have been prevented.

Which process creates food for plants in order to maintain homeostasis? Breathing Cell division Cellular respiration Photosynthesis

Describe a proton, neutron, and electron. Where are these particles located inside an atom.

A sample of gas is at 273°K and 2.00 atm with a volume of 6.00 liters. When the gas is compressed to 3.00 liters and the pressure increases to 3.00 atm, what is the new temperature of the sample?