A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) + B) - C) 0
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of electrons and protons. D) have an equal number of neutrons and protons.
A) cooking eggs B) breaking a pencil C) digesting food D) burning wood
A) Atomic Number B) Alphabetical Order C) Discovery Date D) Atomic Mass
A) Valence Electrons B) Protons C) Neutrons D) Protons and Neutrons
A) density B) shape C) color D) pH
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) neutrons. C) protons plus the number of electrons. D) protons.
A) They are extremely nonreactive. B) They form negative ions with a -1 charge. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) a basically nonreactive.
A) exist in all three states of matter in normal conditions B) are all metals C) are nonreactive D) have only 1 valence electron
A) In the middle column of the periodic table. B) On the right side. C) In the bottom rows. D) On the left-most side.
A) location; ionization B) color; smell C) mass;number D) number; mass
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Halogens B) Alkaline Metals C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) Halogens B) Alkaline Earth C) Alkali D) Noble Gases
A) 3 B) 5 C) 2 D) 4
A) nonmetals B) metals C) metalloids
A) Ms. Watson B) Mosely C) Mendleev D) Einstein
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) nucleus B) neutrons C) electrons D) protons
A) reactivity B) pH C) color D) flammability
A) pH B) shape C) texture D) density
A) burning B) crushing C) adding dye D) breaking
A) burning B) precipitate forming C) breaking D) rusting
A) only can be seen in a few elements B) vary within the same element C) can be observed with senses D) can only be observed by changing the substance
A) vary within the same element B) only can be observed in a few elements C) can be observes with the senses D) cn only be observed by changing the substance
A) chemical B) physical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) kelvin B) meters C) liters D) second
A) grams B) kilograms C) meters D) hours
A) accurate B) nethier accurate or precise C) precise D) both accurate and precise
A) 1/100 B) 1,000 C) 1/1,000 D) 100
A) control B) constant C) dependent D) independent
A) fertilizer B) growth C) length of study D) strawberries
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) control B) dependent C) constant D) independent
A) graduated cylinder B) stirring rod C) tongs D) beaker
A) 0 B) 16 C) 10 D) 13
A) 17 B) 35 C) 19 D) 18
A) 10 B) 26 C) 12 D) 14
A) 18 B) 10 C) 8 D) 2
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 4 B) 2 C) 1 D) 3
A) 2 mol B) 89.6 mol C) 0.5 mol D) 67.2 mol
A) 1.72x1023 atoms B) 5.8x1022 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Democritus B) Thomson C) Chadwick D) Rutherford
A) Rutherford B) Bohr C) Thomson D) Shrodinger and Heisenburg
A) Thomson B) Dalton C) Bohr D) Rutherford
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Rutherford B) Chadwick C) Dalton D) Bohr
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electron number never changes. C) Electrons are positively charged. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) smaller mass B) larger mass C) negative charge D) positive charge
A) positrons B) electrons C) neutrons D) protons
A) 1.33g/ml B) 3g/ml C) 0.33g/ml D) 72g/ml
A) 16g B) 0.094g C) 10.7g D) 17.5g |