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WorksheetsSTAAR REVIEW Category 1
Total questions: 58
Worksheet time: 50mins
What is true about the missing information atomic structure A?
Neutron
Proton
Positive
Negative
What is the missing information in B
Orbits the outside
inside nucleus
Neutron
Electron
1 amu
What is the missing information for atomic structures in C (describing the electron)?
Outside the nucleus
Neutral
Negative
1 amu
0 amu
The atom has 5 protons, 6 neutrons and 5 electrons. What is the identity of this atom
(a)
What is the electrical charge of this atom?
Positive
Negative
Neutral
Which atom has the greatest mass?
A
B
C
D
Which have neutral charges? ( 2 answers)
A
B
C
D
Which one has a positive electrical charge?
A
B
C
D
Which one has a negative electrical charge?
A
B
C
D
What subatomic particle gives the atom it's identity?
Electron
Neutron
Proton
Which element is the most reactive?
Carbon
Oxygen
Nitrogen
Lithum
Neon
Which atom is the least reactive?
Carbon
Oxygen
Nitrogen
Lithum
Neon
Which element has 6 protons?
Carbon
Oxygen
Nitrogen
Lithum
Neon
Which atom is the most reactive and why? (2 answers)
A
B
C
Because it has 8 ve-
Because it has 1 ve-
Which one is least reactive and why?
A
B
C
Because it has 8ve- and its full
1 ve- it has room for more
Which elements would have similar properties N, O, Cl, Na and S?
N
O
Cl
Na
S
The atomic number is equal to the number of _______
electron
protons
neutrons
The atomic mass is equal to the ________ and __________.
Protons
electrons
neutrons
The horizontal rows of elements are called_______?
Groups
Periods
Periods indicate the number of ____________
Energy levels
Reactivitive elements
Similar properties
rows
How many rows or periods are on the periodic table
18
3
7
8
The vertical columns going up and down have similar properties are called ______
Periods
Groups
Elements in groups are similar and react like the others in their columns. Chemist refer to the groups as _____
Families
periods
Atomic struture
How many groups are on the periodic table?
7
18
All elements in each column have (a) properties
All columns or groups have similar chemical reactivity because they have the same number of (a) electrons.
Metals are located
Left of zig-zag line
along the zig-zag line
right of zig zag line
varies
Click all that to LUSTER
SHINY
Metal
Metals are ............ ( 2 answers)
Good Conductors of electricity
Good conductors of heat
Insulators
Dull
Metals are malleable. Which means ........
brittle
varies
able to hammer into thin sheets
The most REACTIVE METAL GROUP
Group 1
Group 17
Group 18
Group 8
Group 7
Non Metals are located
along the zig zag to the right
along the zig zag to the left
along the zig zag line
Non Metals are ( check all that apply)
Dull ( not shinny)
Poor conductors
Brittle
The Most REACTIVE NON METAL IS........
Group 1
Group 7
Group 17
Group 18
Which of the following decreases as you move from left to right across the portion of the periodic table?
Atomic mass
number of electrons
number of valence electrons
metallic charteristic of the element
Identify the metal in period 3 that is more reactive than magnesium?
(a)
Identify the noble gas with 2 valance electrons
(a)
Identify the element in group 17 with 5 energy levels.
(a)
Identify the element that has more valence electrons than Florine and fewer energy levels than sodium.
(a)
Identify the metalloid in period 3 with more protons than sodium and fewer valence electrons than chlorine.
(a)
A coefficients tells you how many (a)
A subscript tells you how many (a)
How much Carbon?
How much oxygen?
How much Nitrogen?
How much Hydrogen
How many molecules?
How many molecules?
List the 7 signs of a chemical change. ( City Girls Like Their Phones On)
What best describes A
Yields
Products
Reactants
Chemical formula
What best describes B
Reactants
Yields
Products
Subscript
What best describes C
reactants
yields
Products
subscripts
What best describes D
Product
Reactant
Subscript
Coefficient
What best describes E
Chemical formula
Subscript
Products
Reactants
What best describes F
reactants
products
subscript
coefficient
Which of the following models best demonstrates a balanced chemical equation?
A
B
C
D
The law of conservation of mass states that during a chemical reaction. Matter is not (a) or (b) .It can only be (c) The same number of atoms in the (d) will equal the same number of atoms in the (e)
Which organisms on the food web have the most available energy? (a) and (b) Which organisms have the least available energy? (c)
