WorksheetsUnit 2 Quiz 2 Atoms, Elements and Bonds
Total questions: 25
Worksheet time: 50mins
True or false: All elements are composed of atoms.
True
False
What is the charge of an electron?
Positive
Negative
Neutral
What is the charge of an proton?
Positive
Negative
Neutral
What is the charge of an neutron?
Positive
Negative
Neutral
Where are the protons and neutrons located within an atom?
In the nucleus
In the electron cloud
Atoms don't have protons or neutrons
Which of the following elements are the basis of organic, living organisms?
Iron
Nitrogen
Carbon
Hydrogen
What does the atomic # tell you about an element? Check all that apply.
The number of electrons
The number of protons
The number of neutrons
The average mass of the element
Which of the following best describes an ion?
An atom that is neutral
An atom that is moving really fast
An atom that is sharing its electrons
An atom that has a positive or negative charge.
All organic compounds.....
contain carbon
are hydophobic
contain nitrogen
are classified as carbohydrates
Water is held together by what type of bond?
nuclear bond
ionic bond
covalent bond
organic bond
True or False:
Hydrogen bonds are the weakest bond while covalent bonds are the strongest?
True
False
What makes water the universal solvent?
it has oxygen atoms
it can exist as a gas, liquid, & solid
it has positive and negative sides
water forms covalent bonds
True or False:
Water is important for life because all cell processes take place in a watery environment.
True
False
The simplest unit of matter
The electron
The nucleus
The cell
The atom
The center of the atom, containing protons and neutrons
Electrons
Valence Shell
Nucleus
Neutron
A molecule composed of only one kind of atom.
An element
The valence shell
Covalent Bond
The nucleus of an atom
The number of protons in the nucleus of an atom
The Atomic Number
The Atomic Mass
Valence Number
The Element Number
The number of protons and neutrons
The Atomic Number
The Atomic Mass
The Valence Shell
The Nucleus
An attractive force that acts between protons and neutrons in an atomic nucleus
Covalent Bond
Ionic Bond
Strong Force
Valence Electrons
The electrons in the outermost energy level of an atom that influence how an element will react with other substances.
Electron Orbital
Valence Electrons
Electrostatic Forces
Two or more atoms held together by covalent bonds.
A molecule
A compound
Valence Electrons
A substance made up of atoms of 2 or more elements joined by chemical bonds in definite proportions.
An organic molecule
A compound
An ionic bond
A type of bond that involves sharing a pair of electrons between atoms in a molecule.
A Covalent Bond
An ionic Bond
A chemical bond resulting from the attraction between oppositely charged ions where electrons are not shared.
A covalent bond
An ionic bond
