Chemical/Physical
Is ductility a chemical or physical property?
Physical
In what group are the alkaline earth metals found?
Group 2
What is a positively charged ion called?
Cation
What is the chemical formula for aluminum oxide?
Al2O3
an ionic bond occurs when electrons are donated and accepted between a metal and a non-metal
Define a chemical property
A property that describes how a substance changes into another substance
In what group are the noble gases found?
Group 18
Draw a Bohr diagram for N3-
7 protons
7 neutrons
10 electrons
What is the chemical formula cobalt (II) nitride
Co3N2
Define covalent bonding
A covalent bond occurs when electrons are shared between two non-metals
State of matter, colour, and conductivity are examples of...
physical properties
Which groups are the most reactive?
alkali metals and halogens
Which ion is this:
protons: 35
neutrons: 45
electrons 36
Br-
What is the name for FeN
Is the following compound ionic or covalent?
Fe3(PO4)2
Ionic
If a mixture can be separated is it physically or chemically combined?
physically
the number of shells increases
Draw a Bohr diagram for a neutral atom of silicon
14 protons
14 electrons
14 neutrons
What is the chemical formula for aluminum dichromate
Al2(Cr2O7)3
Write an example of a covalent compound
H2O, CH4, CO2, NO2...
Define corrosion. Is this a chemical of physical property?
Reaction of metals to form metal oxides. Chemical property.
Why does atomic radius decrease as you move left to right on the periodic table?
Draw a Bohr Diagram for BeF2
Two fluorine ion with 10 electrons
One beryllium ion with 2 electrons
Name this compound: PCl3
phosphorous trichloride
Is the following compound ionic or covalent?
CH3CH2OH
Covalent