Properties and Classification of Matter
True or False:
Elements are composed of 2 or more substances.
False
A negatively charged subatomic particle.
What is Electron
The periodic table family that contains Copper Nickle and Gold.
What is Transition Metals
In a covalent bond atoms ______ electrons.
Share
Type or bond that involves the unequal sharing of electrons
what is polar bond
What kind of changes takes place when water evaporates into air?
What is Physical change
Every atom’s nucleus contains at least one of these.
What is Proton
Group 17 on the periodic table. Has 7 valence electrons. Very reactive.
What is Halogens
How many electrons would Boron like to donate?
What is 3
Which best describes the shape and polarity of CH4 ?
What is Tetrahedral and Nonpolar
The matter in which atoms are closet together.
What is Solid.
How many total electrons can fit in the first 3 energy levels (orbitals)?
What is 18
The size of atoms generally increases as you move down the table because
What is there are more electrons so there are more orbitals.
What is the molecular formula for Dinitrogen pentoxide?
What is N2O5
If water does not dissolve nail polish, then what can you assume to be true about nail polish?
What is it is nonpolar
Is gasoline an element, compound, homogeneous mixture, or heterogeneous mixture?
What is homogeneous mixture.
All atoms of the same element have this in common.
What is the same number of Protons.
First Ionization Energy.
What is the trend of the amount of energy needed to remove an outer shell electron from an atom.
What is the formula for the compound created from magnesium and Fluorine?
What is MgF2
Draw the Lewis dot structure for BF3. Is this molecule polar or non polar?
What is Non polar.
Matter that has neither a definite volume nor a definite shape.
True or False: atoms are arranged so that the nucleus is in the middle with protons and neutrons and the electrons circle around the outside in uniform patterns.
What is False.
An element that is highly reactive, has a large electron negativity and a small atomic radius is going to be found next to what other elements?
What is F, Cl, or O.
What is single bonds
Would this molecule dissolve in water? HNO3
What is Yes it is polar