Atoms and elements Flashcards
1
Q
The basic building block of all matter
A
Atoms
2
Q
Negatively charged particle
A
Electrons
3
Q
Positively charged particle
A
Protons
4
Q
Neutral-charged particles
A
Neutrons
5
Q
The mass of an atom is concentrated on the ______ where protons and neutrons are found.
A
Nucleus
6
Q
Electrons are found in the _______ rapidly moving around the atom’s nucleus.
A
Electron cloud
7
Q
Are pure substances cannot be broken down into simpler substances by a chemical reaction and are composed of similar atoms.
A
Element
8
Q
Found in the left side of the periodic table. Good conductor of heat and electricity.
A
Metals
9
Q
Found on the right side of the periodic table. Poor conductor of heat and electricity.
A
Non- metal`
10
Q
Found along the solid line starting from Boron to Astatine
A
Metalloids
11
Q
What are the 7 metalloids?
A
Boron (B) Silicon (Si) Germanium (Ge) Arsenic (As) Antimony (Sb) Tellurium (Te) Astatine (As)
