Chemistry Midterm Make Up Flashcardizz

Front

Where can you find both neutrons and protons in the atomic structure?

Back

Nucleus

Front

What is the average mass of an element with isotopes of 75.23 amu (24.1%), 74.61 amu (48.7%), and 75.20 amu (27.2%)?

Back

74.92 amu

Front

Which of the following determines the identity of an element?

Back

Number of protons

Front

What is happening in the reaction H2CO3(aq) --> H2O(l) + CO2(g)?

Back

Water and carbon dioxide are products of decomposition.

Front

What experiment did Ernest Rutherford use to prove the presence of protons in the atom?

Back

Gold Foil Experiment

Front

What are the three subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

Positive (+1)

Front

What is the charge of a neutron?

Back

Neutral (0)

Front

What is the charge of an electron?

Back

Negative (-1)

Front

What is atomic mass?

Back

The weighted average mass of an element's isotopes.