Periodic Table
This element is located in Period 5, Group 2 of the periodic table.
What is Strontium, Sr?
What is magnesium?
Electrons have a relative charge of ________.
What is -1?
Isotopes have the same number of _________and __________.
What are protons and electrons?
This is used to measure volume of liquids in a lab.
What is a graduated cylinder?
This element is the alkaline earth metal with the highest atomic number.
What is radium?
Looking at Hydrogen, Neon, Fluorine and Sodium on the periodic table, which would you expect to the most brightly colored element?
What is Fluorine?
What is the electron?
Isotopes have different numbers of _________.
What are neutrons?
Liquid volume is always read at this point.
What is the meniscus?
80% of the periodic table are made up of this type of element.
What are metals?
Looking at Xenon, Chlorine, Boron and Bromine, this element would be expected to be solid at room temperature.
What is boron?
The nucleus of the atom has this charge.
What is positive?
Atoms of elements have equal numbers of ________ and _________ because they are electrically neutral.
What are protons and electrons?
A graduated cylinder has lines that count by ones. For example: 1,2,3,4 etc. How many decimal places will the measurement have?
What is one decimal place?
These groups make up the f block on the Periodic table.
What are Lanthanides and Actinides?
What are metalloids?
This is found in the nucleus of an atom.
What are protons and neutrons?
By doing this subtraction we can determine the number of neutrons.
What is subtracting the atomic number from the mass number?
If the mass is 20.00 grams and the volume is 10.00 mL, this is the density of the object.
What is 2.000 g/mL?
This element would be expected to have properties very similar to Sulfur.
What is Selenium?
Looking at Sn, Sb, Te and I, this element is expected to have the largest atomic mass.
What is Te?
Correct this statement of Dalton's atomic theory:
Atoms cannot be subdivided.
What is atoms cannot be subdivided in normal chemical reactions?
or
What is atoms can be subdivided in nuclear reactions?
The relative atomic mass that is found on the periodic table is found by doing this calculation.
What is taking a weighted average of all the isotopes of an element?
If the density of an object is 3.00 g/mL and the volume of the object is 10.0, this is the mass.
What is 30.0 grams?