Atoms
Elements
Measuring Matter
Periodic Table
States & Properties of Matter
100
The smallest unit of an element that has the chemical identity of that element.
What is an atom
100
A substance only made of one kind of atom that cannot be separated or broken down into simpler substances.
What is an element
100
Anything that has mass and takes up space
What is matter
100
These are found on the right side of the periodic table
What is metalloids and non metals
100
True or False- Hydrogen is matter
What is true
200
This is an uncharged particle in the nucleus of the atom.
What is a neutron
200
The elements on the periodic table each have a unique _________________.
What is number of protons or atomic number?
200
Record the mass of the object on the triple beam balance below.
What is 538g
200
This is number tells the number of protons in the nucleus of each atom of an element
What is the atomic number
200
This type of substances particles can be compressed to fit into a smaller container.
What is gas
300
This is the positively charged subatomic particle that resides in the nucleus of an atom.
What is a proton?
300
In addition to being grouped by atomic number, elements on the periodic table are grouped by the __________________ and __________________ that they have in common with other elements.
What are physical and chemical properties
300
what is the volume of the liquid in the graduated cylinder?
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What is 38mL
300
Most of the mass of an atom is located in this part of an atom.
What is the nucleus
300
Substances in these state(s) of matter have thermal energy
What are solid, liquid and gas
400
This is a negatively charged subatomic particle in an atom
What is an electron?
400
How many protons are in Erbium?
What are 68
400
True or False- heat & light are forms of matter
What is false
400
This number is the sum of the an atom's protons and neutrons
What is mass number/atomic mass
400
True/False. If false, make it true.
An example of a chemical change is when water freezes
False, this is a physical change.
500
Every atom we deal with this year will have an equal number of ___________ and ________________.
What is protons and electrons
500
Solve for the number of neutrons in Erbium.
What are 99
500
Solve for the density of the rectangular prism below using the formula d=m/v. Round your response to the nearest tenth.
Will the substance sink or float when placed in water?
What is 1.7g/cm3 and sink
500
What is the approximate atomic mass of this element?
What is about 11amu
500
A liquid is placed into a freezer. Explain how the arrangement and motion of its particles will change as it changes from a liquid to solid form.
What is the particles will stop "switching positions/flowing" and will begin to vibrate in place