Physics, 13.03.2021 14:30 cascyrio2002

>> Activity 4 Test yourself Cognitive levels 1-2
Building a Periodic Table
1 Use the clues to place the symbols in the table below.
A: the most reactive metal in this list
B: a non-metal that can make four bonds
C: a yellow solid that is a non-metal
D: a noble gas with two protons
E the lightest alkali metal
F: a member of the alkali earth metals with 12 neutrons
G: a metalloid in Group 13
H: gas in Period 2 that is used in combustion reactions
1: a semiconductor in Period 3
J: a noble gas with the configuration 152 252 2p 3s 3p
K: the most common gas in the atmosphere with five valence electrons
L: a halogen in Period 3
M: a yellowish gas that forms an ion with a -1 charge
N: a light, silvery metal with a valency of 3
0: an element with 4 protons
P: an element with the smallest atoms
Q: an element with the notation 'Q
R: a gas used in street-lights and lighted signboards
2 Write the correct chemical symbol for A-Rin Question 1.

Answers: 3

Show answers

Another question on Physics

Physics, 22.06.2019 05:50

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Answers: 2

Answer

Physics, 22.06.2019 15:00

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

Answers: 1

Answer

Physics, 22.06.2019 15:30

What are the north and south poles of a solenoid change with?

Answers: 1

Answer

Physics, 22.06.2019 17:30

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.

Answers: 2

Answer

You know the right answer?

>> Activity 4 Test yourself Cognitive levels 1-2
Building a Periodic Table
1 Use th...

Questions