Chemical bonding
Are electrons shared in a covalent bond?
Shared electrons
Why can only 2 electrons fit in one orbital?
Because only 2 electrons fi
How many electron shells does carbon have?
2 shells
What type of boundary causes earthquakes?
Transform boundary
Is burning wood endothermic or exothermic?
Exothermic
Is H₂O (water) ionic or covalent?
Covalent
Which noble gas configuration does oxygen want?
Neon
How many electrons are in the first shell?
2 electrons
What boundary creates volcanoes?
Convergent boundary
Convert 1000 mg to grams.
1 g
What happens to electrons in an ionic bond?
Electrons are transferred
Why are noble gases stable?
Full outer shell
What makes one isotope different from another?
Different number of neutrons
Which plate boundary slides past each other?
Transform boundary
What is the formula for density?
D = m ÷ V
Is NaCl (salt) ionic or covalent?
Ionic
Write the electron configuration for carbon
1s² 2s² 2p²
What happens to gas volume when temperature increases?
Volume increases
What happens at a convergent boundary?
Plates crash together
Why do wildfires spread faster in dry areas?
Dry fuel burns faster
What charge does sodium (Na) become after losing 1 electron?
+1 charge
How many valence electrons does oxygen have?
6 valence electrons
What happens to pressure when volume decreases?
Pressure increases
What is plate tectonics?
Movement of Earth’s plates
What happens to energy when something heats up?
Energy increases