THE CHARGES OF:
A) PROTONS.
B) NEUTRONS.
C) ELECTRONS.
A) PROTONS= POSITIVE.
B) NEUTRONS= NEUTRAL/NO CHARGE
C) ELECTRONS= NEGATIVE
100
IS WATER POLAR OR NONPOLAR?
What is POLAR
100
TRUE OR FALSE: IONIC COMPOUNDS ARE HIGHLY POLAR AND EASILY DISSOLVE IN WATER
What is TRUE! WATER IS ALSO A POLAR COMPOUND AND "LIKE DISSOLVES LIKE"
100
THE TYPE OF BOND THAT FORMS BETWEEN TWO NONMETALS
What are COVALENT BONDS
100
TRUE OR FALSE: SALT WILL NOT DISSOLVE IN WATER BECAUSE IT IS NONPOLAR
What is FALSE. SALT WILL EASILY DISSOLVE IN WATER BECAUSE IT IS IONIC/HIGHLY POLAR. WATER IS ALSO POLAR AND "LIKE DISSOLVES LIKE"
200
WHERE ELECTRONS ARE LOCATED IN AN ATOM
What is THE ELECTRON CLOUD
200
THE BONDS THAT FORM BETWEEN AN OXYGEN ATOM AND TWO HYDROGEN ATOMS IN A MOLECULE OF WATER
What are POLAR COVALENT BONDS
200
THE KIND OF COVALENT BOND THAT FORMS WHEN ELECTRONS ARE SHARED EVENLY. GIVE AN EXAMPLE OF A MOLECULE OR COMPOUND THAT HAS THESE BONDS.
What are NONPOLAR COVALENT BONDS- EXAMPLE WOULD BE OIL, H2, CH4
200
WHAT KIND OF CHEMICAL BOND WILL FORM BETWEEN SODIUM (Na) AND CHLORIDE (Cl)?
What is IONIC- BECAUSE IT IS A BOND BETWEEN A METAL AND A NONMETAL
200
IS OIL HYDROPHOBIC OR HYDROPHILIC?
What is HYDROPHOBIC
300
WHERE PROTONS AND NEUTRONS ARE LOCATED IN AN ATOM
What is THE NUCLEUS
300
THE BONDS THAT FORM BETWEEN WATER MOLECULES AND ARE RESPONSIBLE FOR ALL OF WATER'S UNIQUE PROPERTIES
What are HYDROGEN BONDS, or H-BONDS
300
THE KIND OF BOND THAT FORMS WHEN ATOMS DO NOT EVENLY SHARE ELECTRONS AND THE MOLECULE ENDS UP WITH A SLIGHTLY NEGATIVE END AND A SLIGHTLY POSITIVE END, LIKE A MAGNET OR A BATTERY. GIVE AN EXAMPLE OF A MOLECULE THAT FORMS THESE BONDS.
What are POLAR COVALENT BONDS- EXAMPLE WOULD BE WATER
300
WHAT TYPE OF BOND WILL FORM BETWEEN CARBON (C) AND OXYGEN (O)?
What is COVALENT- BECAUSE IT IS A BOND BETWEEN A NONMETAL AND A NONMETAL
300
WHY WON'T OIL DISSOLVE IN WATER?
What is BECAUSE IT IS NONPOLAR AND ONLY IONS AND POLAR SUBSTANCES WILL DISSOLVE IN WATER SINCE WATER IS POLAR AND "LIKE DISSOLVES LIKE"
400
AN ATOM THAT LOSES ELECTRONS BECOMES MORE NEGATIVE OR POSITIVE?
What is POSITIVE
400
THE DIFFERENCE BETWEEN COHESION AND ADHESION
COHESION= WATER STICK TO ITSELF- EXPLAINS WHY IT BEADS UP AND FORMS DROPLETS.
ADHESION= WATER STICKS TO OTHER THINGS- CLINGS TO THE SIDES OF VESSELS IN PLANTS TO TRAVEL UP TO THE LEAVES FROM THE ROOTS
400
TRUE OR FALSE: OXYGEN IS A "GREEDY" MOLECULE THAT HOLDS ELECTRONS CLOSER TO ITSELF THAN HYDROGEN, LEAVING THE OXYGEN SIDE OF A WATER MOLECULE SLIGHTLY NEGATIVE AND THE HYDROGEN SIDE OF A WATER MOLECULE SLIGHTLY POSITIVE
What is TRUE!
400
TRUE OR FALSE: IONIC BONDS FORM WHEN ATOMS LOSE OR GAIN ELECTRONS AND COVALENT BONDS FORM WHEN ATOMS SHARE ELECTRONS
What is TRUE!
400
WHAT DOES SOAP DO TO WATER?
What is IT BREAKS THE SURFACE TENSION OF WATER
500
THE NUMBER OF PROTONS IN AN ATOM IS CALLED ITS ______________.
What is ATOMIC MASS
500
THE NUMBER OF WATER MOLECULES THAT CAN BOND TO ONE WATER MOLECULE AT ONCE. WHAT KIND OF BONDS FORM BETWEEN THE NEGATIVELY CHARGED OXYGEN SIDE OF A WATER MOLECULE AND THE POSITIVELY CHARGED HYDROGEN SIDE OF WATER MOLECULE?
What is FOUR and what are HYDROGEN BONDS
500
DRAW IT- FOR 500 POINTS, DRAW A MOLECULE OF WATER ON THE BOARD. LABEL WHAT CHARGE THE OXYGEN END OF THE MOLECULE HAS AND WHAT CHARGE THE HYDROGEN END OF THE MOLECULE HAS.
What is DRAW IT
500
THE TYPE OF BOND THAT WILL FORM BETWEEN HYDROGEN AND OXYGEN
What is COVALENT...DOUBLE POINTS IF YOU SUGGESTED THAT THE COVALENT BOND MIGHT ALSO BE POLAR BECAUSE OXYGEN IS A GREEDY ELEMENT THAT HOLDS ONTO TO ELECTRONS MORE TIGHTLY THAN HYDROGEN
500
I HAVE A MYSTERY SUBSTANCE THAT CONTAINS MANY OH BONDS, WHICH ARE HIGHLY POLAR. DO YOU THINK IT WILL DISSOLVE IN WATER?
What is YES. WATER IS ALSO POLAR AND "LIKE DISSOLVES LIKE"