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experiments with gold foil indicated that atoms?

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Chemistry Science

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6 years ago

Date created

Mar 1, 2020

Cards (22)

Section 1

(22 cards)

experiments with gold foil indicated that atoms?

Front

contain a positively charged, dense center

Back

an atom that contains 35 protons, 45 neutrons, and 35 electrons has an atomic number of?

Front

35

Back

the atomic number of an atom is always equal to the number of?

Front

protons in the nucleus

Back

the atomic mass of an element is defined as the weighted average mass of that elements?

Front

most abundant isotope.

Back

Which particle is electrically neutral?

Front

neutron

Back

Which of the following has the greatest nuclear charge? N-14 C-12 H-2 He-4

Front

N-14

Back

which particle has approx the same mass as a proton?

Front

neutron

Back

what is the mass number of an atom that contains 19 protons, 19 electrons, and 20 neutrons?

Front

39

Back

Experiments have shown that most of the volume of an atom is take up by?

Front

empty space

Back

what is the mass number of an atom which contains 21 electrons, 21 protons, and 24 neutrons?

Front

45

Back

the mass of an electron is appox 1/1836 times the mass of?

Front

h-1

Back

the characteristic bright line spectrum of an atom is produced by?

Front

electrons emitting energy

Back

which atom has a nucleus that contains 13 protons and 14 neutrons?

Front

Al

Back

a neutral atom with 6 electrons and 8 neutrons is an isotope of?

Front

carbon

Back

atoms of o-16, o-17, o-17 have the same number of?

Front

protons, but different neutrons

Back

Compared to the entire atom, the nucleus of the atom is?

Front

smaller and contains most of the atoms space

Back

all atoms in a given sample of an element contain the same number of?

Front

protons and electrons

Back

What is the nuclear charge of an atom with a mass of 23 and atomic number of 11?

Front

11+

Back

As the # of neutrons increases, the nuclear charge of the atom?

Front

remains the same

Back

which particles are referred to as nucleons?

Front

protons and neutrons

Back

what is the total number of protons in an F- ion?

Front

9

Back

in all samples of an element potassium, each atom has?

Front

19 protons

Back