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Subatomic particles with a negative charge
A horizontal row of elements in the periodic table
What is one way Neutrons are different from electrons?
they both are negative
neutrons have no charge, while electrons have a negative charge
Both are in the nucleus( center of atom)
Electrons are inside nucleus and neutrons are outside the nucleus.
What is the atomic number?
How many protons and electrons does this element have?
How many neutrons does calcium have?
What is the atomic mass of Arsenic?
The vertical (up and down) columns in the Periodic Table are called
Elements in the same group have the same
Number of electrons
Number of protons