Home Library Explore SAT

Home Library Explore SAT

Atoms, Ions, and Molecules Flashcards | StudBud

Explore/Atoms, Ions, and Molecules

Atoms, Ions, and Molecules

13 terms·StudBud Administration·12 plays

Biology Quiz on basics of Chemistry (Section 2.1)

Flashcards13 cardsFPractice quizPHost liveL

Questions 13

Answers

1
What distinguishes one element from another?
The shape.
The number of protons.
The number of electrons.
The number of neutrons.
2
An ion is formed when an atom gains or loses
bonds
electrons
neutrons
protons
3
Which of the following cannot be broken down by ordinary chemical means?
compound
element
bond
molecule
4
Which phrase best describes atoms?
smallest basic units of matter
positively charged particles
single-celled organism
parts of a nucleus
5
What is an example of an element?
Gold
Kryptonium
Neon
Steel
6
The smallest basic unit of matter is the
atom.
cell.
compound.
molecule.
7
The variables that DO NOT change in an experiment are called
observations
constants/controls
independent variables
dependent variables
8
How do ions form?
Atoms gain or lose electrons.
Atoms combine to make a larger atom.
Two atoms share electrons.
Atoms form covalent bonds.
9
How does an ion become negatively charged?
It loses electrons.
It gains electrons.
10
What is a compound?
separate atoms of multiple elements in varying ratios
two atoms of a single element bonded together
atoms of different elements bonded in certain ratios
a molecule of two oxygen atoms
11
How does an ionic bond form?
Electrons are exchanged between atoms.
Two atoms combine as one.
Positive and negative ions attract
Atoms share electrons.
12
What is the negatively charged particle found in an atom called?
neutrons
protons
prions
electrons
13
Which particle determines the properties of an element?
electrons
protons
neutrons
quarks