Online HW 3 - ATOMS AND BONDING

An electrically charged atom or molecule is a(n)

ion

Two atoms of the same element that have different atomic weights are called ______.

isotopes

An atom with atomic number 1 has ______ electron in its outermost shell and is ______ (reactive or inert).

1, reactive

An atom with atomic number 15 and atomic weight 32 has ______ protons and ________ neutrons. When electrically neutral, this atom has ______ electrons.

15, 17, 15

An electrically neutral atom with atomic number 15 and atomic weight 32 will have ______ electrons in Shell 1, ______ electrons in the next (2) shell, and ______ electrons in the outer (3) shell.

2, 8, 5

An atom with atomic number 5 has ______ electrons in its outermost shell and is ______ (reactive or inert).

3, reactive

An atom with atomic number 15 and atomic weight 32 can be symbolized as... (all of the numbers are superscript)

32P

An atom with atomic number 17 has ______ electrons in its outermost shell and is ______ (reactive or inert).

7, reactive

An atom with atomic number 10 has ______ electrons in its outermost shall and is ______ (reactive or inert)

8, inert

True/False: An atom with atomic weight 16 and atomic mass 32 is an isotope of (superscript) 32P.

False

Chemical reactions occur when atoms or molecules called _________________ interact and produce a different molecule.

Reactants

An atom with atomic number 15 and atomic weight 32 will be

Reactive

The number that indicates how many protons an atom contains is the

atomic number

A bond that involves sharing electron between atoms is

covalent

The negatively charged sub-atomic particle found in orbital is a(n) ______.

electron

Atoms that do not interact with other atoms are

inert

The particle found in the atom's nucleus with mass of 1 amu but no charge is the ______.

neutron

The elements in a column of the periodic table of elements share what characteristic?

number of electrons in the outermost shell

A reaction that leads to the loss of electron or hydrogen atoms is called

oxidation

The positively charged particle found in the atom's nucleus with a mass of 1 amu is the ______.

proton