Atoms
Elements and atoms
Atoms2
Periodic Table 1
Periodic Table 2
50

All neutrons are a. positive b. negative c. neutral

What is "c. neutral"

50

What is a trick to know how many energy levels a atom has?

Count the periods (horizontal rows)

50
Most atoms have a ________ charge. a. positive b. negative c. no
What is "c. no charge"
50

On the periodic table, the two rows that are by themselves on the bottom of the table are ___________. a. Don‘t belong in the periodic table. b. are not elements c. are rare-earth elements d. none of the above

What are c. rare-earth elements

50
On a periodic table there are ____ many groups
What is "18 groups"
150
All protons are _____________ a. positively charged particles b. negatively charged particles
What is "positively charged particles"
150
True or False: Metals are good conductors of electricity, malleable, and ductile.
True ductile- capable of being hammered out thin
150
The sum of the protons and neutrons in an atom's nucleus is its _______________.
What is "mass number"
150
On a periodic table the number on the top is the _______
What is "the atomic number"
150
The very first periodic table was created by: a. Albert Einstein b. Dmitri Mendeleev c. Henry Mosley d. Merry Street
Who is "Dmitri Mendeleev"
250

What the name of the atomic model the places the electrons in shells/energy levels?

Bohr Model

250

Neutral means the same as ________

What is "no charge"

250
The greatest number of electrons an atom can hold in its second energy level is ______________
What is "8"
250
On a periodic table, the horizontal row of elements is called __________
What is "the periods"
250

The Modern Periodic Table is based on _____________.

What is "atomic number"

350

What‘s the name of the atomic model that focuses only on the valence/outer electrons?

Lewis Dot Model

350

What elements make up H2O?

What is 2 hydrogen and one oxygen

350

True or False: Elements are grouped vertically by characteristics and horizontally by increasing protons.

What is "True"

350

Why don’t the Noble Gases react with other elements?

They have eight valence electrons.

350
On the Periodic table, most of the elements are Metal, mettalloids, liquids, gasses, or nonmetals?
What is "metals"
450
What determines the atomic number of an element? a. the mass of the atom b. electrons in the atom c. neutrons in the atom d. protons in the nucleus of an atom
What is "d. protons in the nucleus of an atom"
450

Elements in the same vertical column have __________

What is "similar” characteristics.

450

What is found inside a nucleus?

What is Neutrons and Protons

450

The Elements found in a PERIOD: a: have the same properties b. do not have similar properties c. belong to the same familiy. d. Increase by atomic number.

D. Increase by atomic number.

450

On a periodic table, what information cannot be found? a. boiling point b. state of matter at room temperature c. atomic mass d. atomic number

What is "boiling point"

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