WorksheetsChem I
Total questions: 35
Worksheet time: 18mins
Define 'Matter"
the building blocks that all things are made of.
the weight of a substance minus the impact of gravity.
a type of element.
relating to the density of objects
What is meant by the 'properties' of an element?
The space that the element takes up
The traits or characteristics of that element.
Whether or not it will dissolve in water.
The amount of electrons an element has
What is an element?
A tool that heats a bunsen burner
A subatomic particle
Any one of the types of matter that are displayed on the Periodic Table- the basic 'legos' that all things are made of.
An exception to a chemical rule or law.
Who arranged the modern periodic table?
Gregor Mendel
Charles Darwin
Dimitri Mendeleev
Plato
If we were to compare a ptable with a crossword puzzle and try to identify the groups and periods, the groups would be like ______ and the periods would be like ___________
down, across
across, down
the ptable is more like a wordsearch than a crossword puzzle.
Greek for 'uncuttable'
Subatomic
Electron
Atom
Nucleolus
There is nothing smaller with individual properties. They are the individual building blocks of all matter. The answer is the (a)
A unit of measure that is specifically used to determine the weight of atoms and their components.
micrograms
watts
jeuel
a.m.u.- atomic mass unit
The proton is
positively charged and resides in the nucleus
positively charged and roams around the outside of the nucleus
negatively charged, located in the nucleus
proton has no charge
The electron is
positively charged and resides in the nucleus
not a charged particle
negatively charged particle that travels in a path around the nucleus
positively charged particle that travels in a path around the nucleus.
A neutron is----------------
a negatively charged particle that resides in the nucleus
a positively charged particle that resides in the nucleus
a subatomic particle with no charge that resides in the nucleus
a subatomic particle that travels in a path around the nucleus. It has no charge
The greek root 'sub' means ..............
to replace
under or below
dissolved in water
a long sandwich
The center of the atom is called the ________________ and it is the location of the ______________ and the ________________
nuculus, electrons and neutrons
Soma, protons and electrons
nucleus, protons and neutrons
electron cloud, protons, neutrons.
The electron cloud is................
mostly empty space.
the area outside of the nucleus where electrons travel.
The area where the volume of the atom exists.
all of the above
The mass or weight of the atom is located -
in the nucleus
in the electron cloud
in the protons
the atom has no mass, or weight. They are weightless.
What are the subatomic particles.
Protons, Electrons, and Neutrons
Protons, Cloud, and Nucleus
a.m.u's, groups and periods
quarks and gluons
An element can be defined as -------------
All of the answers below.
Anything listed on the Periodic Table
One or more atoms of the SAME kind
the building blocks of matter
The atomic number is the number of_______________________
neutrons
electrons
subatomic particles
Protons
Each atom has a different number of ______________________. This number is unique to the element.
neutrons
electrons
protons
subatomic particles
Atomic mass or mass number is the number of ________________+____________________ in the nucleus of the atom.
protons and neutrons
protons and electrons
neutrons and electrons
groups and periods
The element with 3 protons is __________
Helium
Calcium
Lithium
Francium
The element with 39 protons is _________
Potassium
Strontium
Cobalt
Yttrium
What is the atomic mass of iron?
26
55.845
22
114.818
What is the atomic symbol for Chlorine?
C
CA
Cl
Cs
The atomic symbol for lead is ___________
Pb
Mn
Li
Lv
How many protons does Silver have?
118.711
107.868
47
14
How many protons does Boron have?
4
5
208.580
10.811
What is the symbol for Gold?
Ge
Au
Go
Ga
In a neutral state, how many electrons dies Calcium have?
40.078
21
20 same as protons.
19
What element has the symbol Cr
Chromium
Calcium
Krypton
Cesium
Which element has 33 protons?
Silicon
Argon
Arsenic
Indium
Magnesium is in Group ___
3
1
2
14
Iodine is in Period ______
76
22
17
5
Which period is Potassium in?
1
4
3
6
The atomic number of Al is __________
11
13
18
26.982
