Phycs-Consider the electron dot diagram of the unknown element X
Subject: Physics   / General Physics
Question
TCO 4) Consider the electron dot diagram of the unknown element X: . This atom would most likely _______.
form an ion of +6 charge.
react with hydrogen to form H2X.
lose two electrons when forming an ion.
form an ion of +2 charge.
Question 2. Question :
(TCO 4) The attractive John Dalton reasoned that atoms exist from the evidence that ________.
there are numerous, tiny empty spaces in matter.
elements always combined in certain fixed ratios.
elements could not be broken down into simpler substances.
matter was homogenous.
Question 3. Question :
(TCO 5) The size of the current in a conductor depends on the _______ as well as the voltage.
resistance
power
coulombs stopped
none of the above
Question 4. Question :
(TCO 5) Which of the following is a not a similarity between magnets and electrical charges?
There are attractive and repelling forces between unlike or like poles or charges.
Both magnets and electrical charges establish fields.
Both exert forces at a distance.
Both magnetic poles and electric charges can be separated.
Question 5. Question :
(TCO 5) The magnitude of the resistance of a wire depends on _________.
the length of the wire
the cross-sectional area of the wire
the temperature of the wire
all of these are true
Question 6. Question :
(TCO 4) What are the differences between ionic and covalent chemical bonds? Give an example of a compound formed from these bonds.
