Elements are arranged according to their______________ in the periodic table
What is their atomic number?
100
O is its symbol
What is oxygen?
100
can be pulled out, or drawn into a long wire
What is ductile?
200
has no charge
What is a neutron?
200
you can predict an elements ______________ by its location in the periodic table
What is its properties?
200
when two different elements are connected by a chemical bond, a __________ is formed.
What is a molecule?
200
Sulfur's atomic number is 16, how many protons does it have?
What is 16.
200
conducts heat and electricity
What is a metal?
300
an atom with the same number of protons and a different of neutrons from other atoms of the same element.
What is an isotope?
300
the atomic number of an element is based on the _____________
What is the number of protons in its nucleus?
300
elements are organized in the periodis table by
a)increasing atomic number
b) increasing atomic mass
c)alphabetical
What is a) increasing atomic number
300
Mercury's atomic number is 80, how many electrons, does it have?
What is 80?
300
an element that has some characteristics of both metals and nonmetals
What is a metalloid?
400
both ___________ and ___________ are parts of the nucleus
What is neutrons and protons?
400
the name of the Russian scientist that created the first periodic table
What is Mendeleev
400
this group of elements are located along the "zig-zag" line in the periodic table
What is the metalloids?
400
Sodium has an atomic number of 11 and a mass number of 23, how many neutrons does it have?
What is 12?
400
a term used to describe material that can be pounded into shapes
What is malleable?
500
the sum of protons and neutrons in the nucleus of an atom
What is the mass number?
500
the periodic table is similar to a calendar for these reasons
What is
-organizes information in rows and columns
- weeks are horizontal
-days are vertical
-repeating patterns
500
How is the periodic table similar to a calendar?
What is
follows a repeating pattern to keep track of information
has horizontal rows and vertical columns
organizes information
500
Copper has an atomic number of 29 and an atomic mass of 64, how many neutrons does it have?
What is 35?
500
how are metals, metalloids, and nonmetals different?
What is
metals-conduct heat and electricity, malleable
metalloids - located along zig zag, some are semi-conductors
nonmetals - gain and share electrons in reactions, form diatomic molecules