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