Parts of the Atom 1
Parts of the Atom 2
Parts of the Atom 3
Parts of the Atom 4
Parts of the Atom 5
100

Which is known as the Father of the Modern Periodic Table?

Dmitriv Mendeleev

100

An atom with 15 protons and 16 neutrons is an atom of ___________

Phosphorus

100

What two particles reside in the nucleus?

Proton and Neutron

100

What do we call the electrons in the outer energy level of an atom?

Valence electrons

100
The amount of which particle changes to create an ISOTOPE?
Neutron
200

The symbol Co stands for the element _____________

Cobalt

200

Atoms of the same element having the same atomic number, but different mass numbers are called __________.

Isotopes

200
What particle determines the identity of the element?
Proton
200
You are given the atomic number and the atomic mass of an atom. How do you find the number of neutrons?
Atomic Mass - Atomic Number
200

How many protons, electrons, and neutrons, respectively, does Potassium have?

19, 19, 20

300

The symbol for the element Krypton is  _______

Kr

300

Lithium has how many electrons in its outermost principal energy level?

1

300
What does the atomic number tell you about a neutral atom?
How many protons and electrons there are.
300

Beryllium has an atomic number of 4 and a mass of 9. How many of each particle does it have?

Protons: 4 Electrons: 4 Neutrons: 5

300

How many neutrons are there in an atom of Xenon-134 (Atomic number 54)?

80

400

Which atomic particle determines the chemical behavior of an atom?

Proton

400

The halogens (Group 7) contain how many valence electrons?

7

400
Which particle resides in the "cloud?"
Electron
400
How many electrons does a neutral atom of Neon (atomic number 10) have?
Ten
400

Metal atoms tend to _________________ electrons and form ____________.

Lose; cations

500

Which particle has the smallest mass?

Electron

500

The elements chlorine and iodine have similar chemical properties because they ...

Have the same number of electrons in their outer energy levels

500

What charges do the following particles have, in order? Proton, Neutron, Electron

+, 0, -

500
What two particles make up most of the mass in an atom?
Protons and neutrons
500

Nonmetals tend to _____________ electrons to form an ___________

Gain;  anions

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