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ATOMS
ATOMS II
PERIODIC TABLE I
PERIODIC TABLE II
PERIODIC TABLE III
100

An ____________is the basic particle from which all elements are made



What is an atom

100
The number of protons is always equal to the number of ________________________
electrons
100
The vertical columns are called _________________________
groups
100

What is the name of the CURRENT atom model called?

Electron Cloud Model

100
Name one element that reacts similarly to nitrogen.
phosphorus, arsenic, antimony
200

The nucleus of a atom is made up of _______________ and ____________________.

protons and neutrons

200
Explain how to calculate the number of neutrons in the nucleus of an atom.
The number of neutrons equals: atomic mass - the # of protons
200

There are ________ vertical groups on the Periodic Table of Elements.

18

200
Elements that are in the same group
have similar chemical properties
200
Are most of the elements in the periodic table metals or non metals?
Metals
300

________________________ are neutral and have no charge.

Neutrons

300

The number of protons and the number of electrons is can be determined by using the _________________ number for an element on the Periodic Table.

Atomic number

300
The horizonatal rows are called ___________________
periods
300
Identify one element that has similar chemical properties to the chemical properties of boron.
gallium, indium, aluminum
300
The elements fluorine, chlorine, bromine and iodine are all found in the same group on the periodic table because they a) are metals b) are noble gases c) react in similar ways d) have the same atomic mass
c) react in similar ways
400

If an element square has an atomic number of 2

and an atomic mass of 4.002

how many neutrons do its atoms have?


2

400

A substance that can not be broken down in to a simpler substance & is composed of ONE type of atom  is a (an)

element

400

Atomic number is equal to the number of _______________ in the nucleus of an atom of a given element.

protons

400

What is special about any atom that has a FULL amount of electrons in its OUTER energy level? (like the Noble Gases)?

they do not easily combine with other elements to form new substances/they like to be left ALONE!!

400
______________________________________ is the table that organizes all of the known elements
The Periodic Table Of Elements
500

__________________ are found revolving around the outside of the nucleus ands have a negative charge.

Electrons

500
Explain why the overall charge of an atom is zero.
The number of positively charge protons always equals the number of negatively charges electrons.
500

Using the groups and periods to find an element is similar to ____ing in Math or using ______ and longitude to find a location in geography (only need one answer to get the points!)

GRAPHING   OR   LATITUDE

500

H2O is not found on the Periodic Table of Elements because it is a (an)

made of two elements, it can be broken down into them (called a compound)

500
Elements that have properties both similar to metals and non-metals are called ____________________.
Metaloids