4th 9 weeks exam

What is a positively charged subatomic particle

What is the unit for wavelength?

How many protons,electrons, neutrons does atom w/ atomic number 50 and mass number 125contain?

If transverse wave ismoving from right to left, the individual particles in medium are moving

Which of the following wasa tenet of Dalton's theory, but had to be revised about 100 yrs ago?

Which of the following wasone of Dalton’s improvements over Democritus’s ideas?

_____ is the inverse ofperiod

Waves are movingat speed of 30 m/s.The frequency of waves is 10 Hz.What is wavelength?

What is the name of group 7A?

What is the total number of protons and neutrons in the nucleus of an atom?

How many neutrons does Francium have?

Which of the following is in the same group as Bromine?

What is the wave speed of awave with  a wavelength of 0.01m and 50Hz?

Do sound waves require a medium?

Which of the following categories includes the majority of the elments?

To what category ofelements does an element belong if it is a poor conductor of electricity?

Which of the following is an example of a nonmetal?

What is the formula for period?

Calculate the wave speedfor a wave with a wavelength of 2 m and a frequency of 0.3 Hz

The mass number of anelement is equal to ____.

The nucleus of an atom is

What is the lowest point of a transverse wave?

The atomic number of anelement is the total number of which particles in the nucleus?

What is the smallest particle of an element that retains the properties of that element?

What is the name of group 8A?

All atoms are

Of the elements Pt, V, Li,and Kr, which is a nonmetal?

Do light waves require a medium?

The smallest particle of anelement that retains the properties of that element is a(n) ____

Sound waves from a radiogenerally travel in which medium?

Which of the followingelements can be found in Group 2A?

Why did J. J. Thomsonreason that electrons must be a part of the atoms of all elements?

Light waves

Which of the followingelements is in the same period as phosphorus?

What is the name of group 2A?

The _____ is the time it takes for one full vibration of a particle in a medium

Evidence about Dalton’satomic theory has shown that

Which of the following is an example of a metal?

Who arranged elementsaccording to atomic mass & predicted properties ofmissing elements?

The sum of the protons and neutrons in an atom equals the ____.

What is the unit for frequency?

What is the weighted average of themasses of the isotopes of an element

What is the highest point of a transverse wave?

Element has atomicnumber of 76. The # of protons & electrons in neutral atom of theelement are:

What is the central part of an atom, containing protons and neutrons

Which discovery did J. J.Thomson make that improved upon Dalton's atomic theory?

The particles that arefound in the nucleus of an atom are ____.

What is the unit for period?

Which of the following is an example of a metalloid?

Sound waves

A wave has a period of 0.25seconds. The frequency of this wave is

What is the area in a longitudinal wave where the particles are close together?

What is the number of protons in the nucleus of an element?

Which of the following is a property of a metal?

What are atoms w/ same number of protons, but different numbers ofneutrons in nucleus of atom 

A wave with a frequency of0.5 Hz and a speed of 10 m/s has a wavelength of

Dalton's atomic theoryincluded which idea?

What is the formula for wave speed?

What category of elements are good conductors of electricity?

What is a negatively chargedsubatomic particle

How many protons and neutrons does Indium have?

The _____ is the distancebetween two crests of a wave

How many protons and electrons does Zinc have?

Who livedfrom 460 B.C.–370 B.C. and was among the first to suggest the idea of atoms?