2.1.1 Atomic Structure: SPONCH and the Atom Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

SPONCH

A
  • stands for the elements that are found in the majority of molecules present in living organisms.
  • You are more than 99% SPONCH!
  • In other words, you are more than 99%:
  • Sulfur
  • Phosphorous
  • Oxygen
  • Nitrogen
  • Carbon
  • Hydrogen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

atom

A
  • made up of protons, neutrons, and electrons. Protons and neutrons are found in the nucleus, or center, of the atom. Electrons exist in clouds outside of the nucleus.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

atomic number

A
  • of an atom equals its number of protons.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

atomic mass

A
  • of an atom is approximately equal to the number of neutrons plus the number of protons found in the atom
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

proton

A
  • have a positive charge and a mass of 1 atomic mass unit (amu).
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

neutron

A
  • have no charge and have a mass of 1 amu.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

electron

A
  • have a negative charge and negligible mass. They are found in a cloud around the nucleus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following components of an atom has a positive charge?

A
  • proton
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In the figure below, which portion represents the atomic mass?
12
C
6

A
  • 12
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following is not one of the elements that makes up SPONCH?

A
  • sodium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of the following is not approximately 1 amu?

A
  • an electron
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The atomic number of an atom refers to the number of

A
  • protons
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The atomic mass is equal to the number of

A
  • protons plus neutrons
How well did you know this?
1
Not at all
2
3
4
5
Perfectly