No student devices needed. Know more
17 questions
Lithium (Li), Sodium (Na), Rubidium (Rb) and Cesium (Cs) are in the same column in the periodic table. Why are these elements in the same column in the periodic table?
The smallest particle into which an element can be divided and still be the same element is a(n)
proton
neutron
electron
atom
Which TWO of the following subatomic particles are inside the nucleus?
protons
electrons
neutrons
There are no subatomic particles in the nucleus of an atom.
Which of the following is true about elements?
They are a mixture of differents atoms.
They have only positive charges in the atom.
Can be separated into smaller atoms.
Can be combined to create living and nonliving things.
Everything in the periodic table is arranged by
the alphabet
their properties
their subatomic particles
their discovery date
On the periodic table Li, Na, K and Rb are found in the same group because
they have the same number of neutrons
they have similar properties
they have the same number of electrons
they are compounds
The smallest unit found in silver is
element
nucleus
atom
cell
Where is the nucleus located in an atom?
In the electron cloud
In the center
On the outside
In the cell
Which two elements have similar properties?
Rubidium (Rb) and Fluorine (F)
Cesium (Cs) and Potassium (K)
Sodium (Na) and Chlorine (Cl)
Hydrogen (H) and Oxygen (O)
Explore all questions with a free account