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