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