Parts of the Atom
What is the name of the negatively charged subatomic particle ?
electron
Compound or element?
H2O
compound
Name for rows of the periodic table !
Periods are the rows of the periodic table
What is the property of matter that describes how easily a substance catches on fire?
flammability
What is the center part of the atom called? The part that holds almost all of the mass ?
Nucleus
Which of the following are found in the nucleus of an atom : neutron, proton, electron
neutron and proton
Compound or element ?
Nitrogen
element
Name for the columns of the periodic table !
Groups !
What are the 3 common states of matter ?
Liquid, gas, solid
What is a model in science terms? Give an example.
a representation of an object that makes it easier to see!
Example could be a Styrofoam and wooden stick model of a molecule or a blueprint for a house or a model of the double helix structure of DNA
Which subatomic particle of an atom is positively charged ?
proton
Compound, element or molecule?
N2
molecule - 2 of the same element
What does the atomic number of an element tell you?
The amount of protons in an atom of a certain type of element !
What is the property of matter that describes how well one substance dissolves into another?
Solubility
What is the difference between macroscopic and microscopic ?
macroscopic substances can be seen with the naked eye, but microscopic substances are much smaller !
Where are electrons found?
Outside of the nucleus of an atom. They are spinning around the outside and ready to bond!
What holds two elements together in a compound ?
a chemical bond
TRUE OR FALSE: ALL OF THE ELEMENTS ON THE PERIODIC TABLE ARE FOUND NATURALLY OCCURING IN THE WORLD
FALSE - some are synthesized or "man-made"
Which of the following terms means how much mass there is per volume of an object?
Density , Volume, Mass, Weight ?
Density
What is the name of the guy who came up with the concept of the periodic table and arranged them in the order they are in today?
Dmitry Mendeleev
What is a valence electron ?
An electron on the outermost ring or energy level of an atom- very ready to bond
Which 3 elements are present in the following molecule molecule of glucose ?
C6H12O6
carbon,
hydrogen,
oxygen
Number of elements on the periodic table
118
What does the term melting point mean?
It describes the temperature at which a solid changes states into a liquid !
Name at least 8 elements on the periodic table!
Ms. Lingo will check as you go