vocabulary true or false
nucleus is the region at the center of an that contains most of the mass of the atom. true or false
true
what is the atomic number for sodium?
11
What is located outside nucleus?
electron cloud
What is difference between proton and nuetrons
Protons have positive charges and cant be changed
Electrons have negative charges and can be changed
What is a classification for tea
solution
Proton is an uncharged particle in the nucleus of an atom. true or false?
What Is the atomic number for potassium?
19
Where is the proton?
The nucleus of an atom
Difference between isotope and ion.
Isotope is one or two more of an element having the same number of protons. Ion is an atom that has charge because it has gained or lost electrons
What is a classification for strawberry yogurt
heterogeneous mixture
Proton cloud is the region surrounding an atoms nucleus true or false?
false Proton clouds doesn't exist
What is the atomic number for iron?
26
Where is electron cloud located
the region surrounding an atom's nucleus
Difference between Nueclues and a neutrons
Nucleus is the region at the center of an atom that contains most of the mass of the atom. Neutrons is a uncharged particle in the nucleus of an atom.
What is the classification for salt
compound
True or false, isotope and ion are both a number of protons.
What is the atomic number for gold?
79
Where is the proton located
nucleus
What is the difference the three subatomic particle.
Ex. electron has a positive charge (not the answer)
1. electron 2. proton 3. neutron
electron has negative charge
proton has positive charge
neutron has no charge
What is the classification for milk
Heterogeneous mixture
True or false, ion lost or gained electrons
true
Atomic number for lead?
82
Where is the electon
electron cloud
Difference in atoms and ion
What is the classification for fruit punch?
solution