A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons and electrons
A) + B) 0 C) -
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) burning wood B) breaking a pencil C) digesting food D) cooking eggs
A) Alphabetical Order B) Atomic Mass C) Discovery Date D) Atomic Number
A) Protons and Neutrons B) Protons C) Valence Electrons D) Neutrons
A) pH B) shape C) density D) color
A) a total of eight neutrons and electrons. B) a total of eight protons and neutrons. C) eight protons in its nucleus. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) protons. C) neutrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They are usually gases.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
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 bottom rows. B) In the middle column of the periodic table. C) On the right side. D) On the left-most side.
A) color; smell B) location; ionization C) number; mass D) mass;number
A) 6 neutrons B) 8 neutrons C) 3 neutrons D) 12 neutrons
A) Alkaline Metals B) Noble Gases C) Halogens D) Alkaline Earth
A) Noble Gases B) Akali C) Alkaline Earth D) Halogens
A) Alkali B) Alkaline Earth C) Halogens D) Noble Gases
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) 4 B) 2 C) 3 D) 5
A) metalloids B) nonmetals C) metals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) by date discovered B) according to atomic number C) According to atomic mass D) alphabetically
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) electrons B) protons C) nucleus D) neutrons
A) color B) pH C) flammability D) reactivity
A) pH B) density C) texture D) shape
A) crushing B) breaking C) burning D) adding dye
A) precipitate forming B) breaking C) burning D) rusting
A) can be observed with senses B) only can be seen in a few elements 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) physical B) chemical
A) chemical B) physical
A) not enough information B) it will float C) it will sink
A) kelvin B) meters C) second D) liters
A) hours B) grams C) meters D) kilograms
A) precise B) accurate C) nethier accurate or precise D) both accurate and precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) independent B) constant C) control D) dependent
A) strawberries B) length of study C) growth D) fertilizer
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) constant B) control C) dependent D) independent
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 13 B) 10 C) 16 D) 0
A) 35 B) 18 C) 17 D) 19
A) 10 B) 14 C) 12 D) 26
A) 8 B) 2 C) 18 D) 10
A) 115 amu B) 57 amu C) 0.57 amu D) 5.7 amu
A) 2 B) 1 C) 4 D) 3
A) 2 mol B) 67.2 mol C) 0.5 mol D) 89.6 mol
A) 2.107x1024 atoms B) 5.8x1022 atoms C) 21.07 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Chadwick B) Rutherford C) Democritus D) Thomson
A) Thomson B) Rutherford C) Shrodinger and Heisenburg D) Bohr
A) Dalton B) Rutherford 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) 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) smaller mass D) positive charge
A) electrons B) positrons C) neutrons D) protons
A) 72g/ml B) 3g/ml C) 1.33g/ml D) 0.33g/ml
A) 0.094g B) 17.5g C) 10.7g D) 16g |