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