Groups & Periods
On the periodic table , the vertical columns are called _______ .
a) Groups
b) Periods
c) Families
d) All of above
What is a group?
The atomic mass for copper.
What is 63,546?
A row of chemical elements.
What is a period?
The chemical symbol for Helium.
What is He?
I am a group of gaseous elements: Helium , Neon , Argon, Krypton, Xenon and Radon and we are group 18 of the periodic table. They are inert gases that don't reacts often it at all.
What are Nobles Gases?
The last element in period 4.
What is Kr?
This is the number of protons in the nucleus of each atom of an element.
What is a atomic number?
A group of elements in the periodic table.
What is a family?
My element is Boron.
What is B?
This family has 32 elements that have strong tendency to form compounds and also metallic elements.
What are Transition Metals?
Group 1 and Group 2 are two groups that contain the most reactive elements.Name the correct families that go with group 1 and 2.
What is Alkali Metals and Alkali Earth Metals?
This is the weighted average of mass of an element.
What is atomic mass?
Negatively charged particles
What is electrons?
My symbol is AL , what is my element?
What is Aluminum?
This family is made up of poor conductors of electricity and heat. We are reactive with other elements and also has 8 elements ( Hydrogen, Carbon, Nitrogen, Oxygen , Phosphorus , Sulfur, Selenium and Fluorine.
What are Other Non-Metals ?
Element Symbol: Group 18 , Period 3
What is Argon?
For the element, the periodic table block has the following information: Thallium 81 TI 204.383.What is the atomic mass for thallium?
What is 204.383?
Positively charged particles in the nucleus.
What is a proton?
True or False: Is K the symbol for the element Potassium?
What is True?
The elements in this family have only one valence electron such as Li , Na , and K.
What is Alkali?
Amount of protons: Period 4 , Group 2.
What is 20?
True or False: Does calcium have a greater atomic mass (40.028) than magnesium of atomic mass (24.305)
What is True?
A uncharged particles.
What is neutrons?
The five chemical elements for Iron , Sodium , Nitrogen, Silicon, and Aluminum. What are my symbols?
What are Fe,Na,N,Si,and AL?
This family is made up of elements with 7 valence electrons such as F , Cl , and I.
What are Halogens?