atom
... • 1.15 – I can define atomic/ionic radius and explain how it relates to the charge of the nucleus and the electron. Furthermore, I can explain how this trend changes as you move throughout the Periodic Table. ...
... • 1.15 – I can define atomic/ionic radius and explain how it relates to the charge of the nucleus and the electron. Furthermore, I can explain how this trend changes as you move throughout the Periodic Table. ...
Intro. to Chemistry Part 2
... matter (mass). Later we will apply it to energy (Chapter 5). Law of multiple proportions: If two elements, A and B, combine to form more than one compound, then the mass of B, which combines with the mass of A, is a ratio of small whole numbers. Dalton’s theory predicted the law of multiple proporti ...
... matter (mass). Later we will apply it to energy (Chapter 5). Law of multiple proportions: If two elements, A and B, combine to form more than one compound, then the mass of B, which combines with the mass of A, is a ratio of small whole numbers. Dalton’s theory predicted the law of multiple proporti ...
Atoms, Molecules, and Ions Chapter 2
... •Oil drops are sprayed above a positively charged plate containing a small hole. •As the oil drops fall through the hole, they are given a negative charge. •Gravity forces the drops downward. The applied electric field forces the drops upward. •When a drop is perfectly balanced, the weight of the dr ...
... •Oil drops are sprayed above a positively charged plate containing a small hole. •As the oil drops fall through the hole, they are given a negative charge. •Gravity forces the drops downward. The applied electric field forces the drops upward. •When a drop is perfectly balanced, the weight of the dr ...
The Structure of the Atom 1 Philosophers And Early Scientists
... Due to the presence of static electricity, scientists in the 1800s began to look for a connection between matter and electric charge o How would electricity behave in the absence of matter (in a vacuum with the air/matter removed)? William Crookes’ experiment with a cathode tube – he saw a flash of ...
... Due to the presence of static electricity, scientists in the 1800s began to look for a connection between matter and electric charge o How would electricity behave in the absence of matter (in a vacuum with the air/matter removed)? William Crookes’ experiment with a cathode tube – he saw a flash of ...
Atomic Structure - Tenafly High School
... 3. Compounds contain atoms of more than one element. 4. In a particular compound, atoms of different elements always combine in the same way. ...
... 3. Compounds contain atoms of more than one element. 4. In a particular compound, atoms of different elements always combine in the same way. ...
2.3 Periodic Table and Atomic Theory Bohr Diagrams
... not want to gain or lose electrons. This is why they do not react easily with other elements! ...
... not want to gain or lose electrons. This is why they do not react easily with other elements! ...
11 Chemical Bonds: The Formation of Compounds from Atoms
... Atomic Radius General trend: increases down a group and decreases left to right across a period. Down a Group: Additional n quantum levels are added; electrons are farther from the nucleus, so size increases. Across a Period: Left to right, n remains constant but atomic number increases; increased n ...
... Atomic Radius General trend: increases down a group and decreases left to right across a period. Down a Group: Additional n quantum levels are added; electrons are farther from the nucleus, so size increases. Across a Period: Left to right, n remains constant but atomic number increases; increased n ...
Learning Guide 11: Atomic models
... 1e. Students know the nucleus of the atom is much smaller than the atom yet contains most of its mass. The volume of the hydrogen nucleus is about one trillion times less than the volume of the hydrogen atom, yet the nucleus contains almost all the mass in the form of one proton. The diameter of an ...
... 1e. Students know the nucleus of the atom is much smaller than the atom yet contains most of its mass. The volume of the hydrogen nucleus is about one trillion times less than the volume of the hydrogen atom, yet the nucleus contains almost all the mass in the form of one proton. The diameter of an ...
Bohr Diagram - hrsbstaff.ednet.ns.ca
... An ion of chlorine must also have _______ electrons because it is more stable. This results in chlorine having a net charge of 1-. The name is __________ chloride ...
... An ion of chlorine must also have _______ electrons because it is more stable. This results in chlorine having a net charge of 1-. The name is __________ chloride ...
chapter 4
... You CAN do this. Work out the example if you are stuck. It’s like this: Carbon is made up of 98.89% Carbon-12 & 1.11% Carbon-13 Its atomic mass would be (12amu•0.9889)+(13.03amu•0.0111) = 12.011 amu ...
... You CAN do this. Work out the example if you are stuck. It’s like this: Carbon is made up of 98.89% Carbon-12 & 1.11% Carbon-13 Its atomic mass would be (12amu•0.9889)+(13.03amu•0.0111) = 12.011 amu ...
ch-4-earth-chemistry
... Example: A neutral sodium atom has a charge of zero (equal # of protons and neutrons) and only 1 valence electron. Once it loses that valence electron, it will have 8 valence electrons and be stable and most likely, not gain or lose anymore electrons. What would be the charge on a sodium atom that l ...
... Example: A neutral sodium atom has a charge of zero (equal # of protons and neutrons) and only 1 valence electron. Once it loses that valence electron, it will have 8 valence electrons and be stable and most likely, not gain or lose anymore electrons. What would be the charge on a sodium atom that l ...
Atomic Structure
... the tiny positively charged nucleus accounting for more than 99% of the mass of the atom The negatively charged electrons are small and have a relatively small mass but occupy a large volume of space outside the nucleus ...
... the tiny positively charged nucleus accounting for more than 99% of the mass of the atom The negatively charged electrons are small and have a relatively small mass but occupy a large volume of space outside the nucleus ...
ch.4 - Chemistry
... radioactive decay. • Unstable radioactive elements undergo radioactive decay thus forming stable nonradioactive elements. ...
... radioactive decay. • Unstable radioactive elements undergo radioactive decay thus forming stable nonradioactive elements. ...
The Atom
... Scientists have determined that protons and neutrons are composed of subatomic particles called ________________. ...
... Scientists have determined that protons and neutrons are composed of subatomic particles called ________________. ...
Study Guide Chapter 5
... first quantum number = energy level (distance from the nucleus) second quantum number = sublevel (orbital shape) First quantum number = orbital First quantum number = electron spin 15. What do the +1/2 and –1/2 values of the fourth quantum number designate? The up and down spins of the ele ...
... first quantum number = energy level (distance from the nucleus) second quantum number = sublevel (orbital shape) First quantum number = orbital First quantum number = electron spin 15. What do the +1/2 and –1/2 values of the fourth quantum number designate? The up and down spins of the ele ...
The Periodic Table of Elements
... (number of protons, neutrons and electrons) of the elements. Position on the table and properties of these elements arise from the e- configurations of the atoms. Properties such as density, atomic radius, oxidation numbers, ionization energy, and e- affinity can be predicted. ...
... (number of protons, neutrons and electrons) of the elements. Position on the table and properties of these elements arise from the e- configurations of the atoms. Properties such as density, atomic radius, oxidation numbers, ionization energy, and e- affinity can be predicted. ...
ATOMS
... THOMPSON’S & MILLIKAN’S IDEAS ATOMS ARE IN FACT DIVISIBLE. ELECTRONS ARE PRESENT IN ATOMS OF ALL ELEMENTS. ONE OF THE ATOM’S FUNDAMENTAL PARTICLES IS NEGATIVE CHARGED. ATOMS ARE ELECTRICALLY NEUTRAL, SO THERE MUST BE A (+) CHARGE TO BALANCE OUT THE (–). ...
... THOMPSON’S & MILLIKAN’S IDEAS ATOMS ARE IN FACT DIVISIBLE. ELECTRONS ARE PRESENT IN ATOMS OF ALL ELEMENTS. ONE OF THE ATOM’S FUNDAMENTAL PARTICLES IS NEGATIVE CHARGED. ATOMS ARE ELECTRICALLY NEUTRAL, SO THERE MUST BE A (+) CHARGE TO BALANCE OUT THE (–). ...
Atoms PPT
... • Neutrons = atomic mass – atomic number • Atomic symbols – First letter is ALWAYS upper case – Second letter is ALWAYS lower case • Example: Identify the Number of Protons, Neutrons and Electrons in Oxygen Oxygen element 8 with mass 16 ...
... • Neutrons = atomic mass – atomic number • Atomic symbols – First letter is ALWAYS upper case – Second letter is ALWAYS lower case • Example: Identify the Number of Protons, Neutrons and Electrons in Oxygen Oxygen element 8 with mass 16 ...
Chp 1,2 rev
... What is the electron configuration for Al? S? Give the Aufbau principle, Hund’s rule, and Pauli exclusion principle. ...
... What is the electron configuration for Al? S? Give the Aufbau principle, Hund’s rule, and Pauli exclusion principle. ...
Unit 3 Powerpoint
... Measured the ratio of cathode-ray particles to their mass—found it was always the same Concluded that all cathode rays are composed of identical negatively charged particles called electrons Experiments revealed the electron has a very large charge for its tiny mass ...
... Measured the ratio of cathode-ray particles to their mass—found it was always the same Concluded that all cathode rays are composed of identical negatively charged particles called electrons Experiments revealed the electron has a very large charge for its tiny mass ...
Chapter 2 Notes
... soon as possible. They sometimes need to be told that this information will be used throughout their careers as chemists (even if that career is only one semester). Students often cannot relate the charges on common ions to their position on the periodic table. ...
... soon as possible. They sometimes need to be told that this information will be used throughout their careers as chemists (even if that career is only one semester). Students often cannot relate the charges on common ions to their position on the periodic table. ...
4.1 Studying the structure of ______ is a little like studying wind
... Aristotle thought that all substances were made of only four elements—earth, air, fire, and water. He did not think there was a limit to the division of matter. For many centuries, most people accepted Aristotle’s views on the structure of matter. By the 1800s, scientists had enough experimental dat ...
... Aristotle thought that all substances were made of only four elements—earth, air, fire, and water. He did not think there was a limit to the division of matter. For many centuries, most people accepted Aristotle’s views on the structure of matter. By the 1800s, scientists had enough experimental dat ...