A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) - B) 0 C) +
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) cooking eggs B) burning wood C) digesting food D) breaking a pencil
A) Discovery Date B) Atomic Number C) Atomic Mass D) Alphabetical Order
A) Valence Electrons B) Protons and Neutrons C) Protons D) Neutrons
A) shape B) pH C) color D) density
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of neutrons. B) neutrons. C) protons. D) protons plus the number of electrons.
A) They are usually gases. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
A) a basically nonreactive. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) They are extremely rare in nature.
A) exist in all three states of matter in normal conditions B) are nonreactive C) are all metals D) have only 1 valence electron
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 6 neutrons B) 8 neutrons C) 12 neutrons D) 3 neutrons
A) Alkali Metals B) Noble Gases C) Halogens D) Alkaline Earth
A) Alkaline Earth B) Akali C) Halogens D) Noble Gases
A) Halogens B) Alkali C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) 4 B) 3 C) 5 D) 2
A) metalloids B) metals C) nonmetals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) by date discovered B) According to atomic mass C) according to atomic number D) alphabetically
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) protons B) nucleus C) neutrons D) electrons
A) color B) pH C) flammability D) reactivity
A) burning B) adding dye C) breaking D) crushing
A) vary within the same element B) only can be seen in a few elements C) can be observed with senses D) can only be observed by changing the substance
A) cn only be observed by changing the substance B) vary within the same element C) only can be observed in a few elements D) can be observes with the senses
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) grams B) meters C) hours D) kilograms
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 100 B) 1/100 C) 1/1,000 D) 1,000
A) independent B) dependent C) constant D) control
A) fertilizer B) length of study C) growth D) strawberries
A) control B) independent C) constant D) dependent
A) graduated cylinder B) beaker C) stirring rod D) tongs
A) 13 B) 0 C) 16 D) 10
A) 18 B) 19 C) 35 D) 17
A) 10 B) 14 C) 12 D) 26
A) 18 B) 8 C) 10 D) 2
A) 57 amu B) 0.57 amu C) 5.7 amu D) 115 amu
A) 3 B) 1 C) 2 D) 4
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Chadwick B) Thomson C) Rutherford D) Democritus
A) Bohr B) Thomson C) Shrodinger and Heisenburg D) Rutherford
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Chadwick B) Dalton C) Rutherford D) Bohr
A) Electron number never changes. B) Electrons are positively charged. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) negative charge C) positive charge D) smaller mass
A) protons B) positrons C) neutrons D) electrons
A) 3g/ml B) 0.33g/ml C) 72g/ml D) 1.33g/ml
A) 24g B) 10.7g C) 17.5g D) 0.094g |