A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and electrons D) It is composed of protons and neutrons
A) + B) 0 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) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Protons B) Protons and Neutrons C) Valence Electrons D) Neutrons
A) pH B) density C) shape D) color
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. 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 located in the left-most column of the periodic table. B) They are usually gases. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. D) They are extremely rare in nature.
A) are nonreactive B) have only 1 valence electron C) exist in all three states of matter in normal conditions D) are all metals
A) In the middle column of the periodic table. B) In the bottom rows. C) On the right side. D) On the left-most side.
A) mass;number B) number; mass C) location; ionization D) color; smell
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Alkali Metals B) Noble Gases C) Halogens D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Akali D) Halogens
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) 5 B) 2 C) 3 D) 4
A) metals B) metalloids C) nonmetals
A) Einstein B) Mendleev C) Ms. Watson D) Mosely
A) by date discovered B) alphabetically C) according to atomic number D) According to atomic mass
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Mass-Atomic Number
A) electrons B) protons C) neutrons D) nucleus
A) color B) pH C) flammability D) reactivity
A) breaking B) burning C) crushing D) adding dye
A) can only be observed by changing the substance B) can be observed with senses C) vary within the same element D) only can be seen in a few elements
A) only can be observed in a few elements B) cn only be observed by changing the substance C) vary within the same element D) can be observes with the senses
A) physical B) chemical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) grams B) hours C) meters D) kilograms
A) precise B) accurate C) nethier accurate or precise D) both accurate and precise
A) 100 B) 1/100 C) 1/1,000 D) 1,000
A) independent B) dependent C) constant D) control
A) length of study B) strawberries C) fertilizer D) growth
A) constant B) control C) dependent D) independent
A) stirring rod B) graduated cylinder C) tongs D) beaker
A) 10 B) 16 C) 0 D) 13
A) 35 B) 17 C) 18 D) 19
A) 14 B) 26 C) 12 D) 10
A) 8 B) 18 C) 2 D) 10
A) 5.7 amu B) 115 amu C) 57 amu D) 0.57 amu
A) 2 B) 4 C) 1 D) 3
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg
A) Rutherford B) Dalton C) Thomson D) Bohr
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) Chadwick B) Dalton C) Rutherford 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) negative charge C) larger mass D) smaller mass
A) positrons B) electrons C) neutrons D) protons
A) 1.33g/ml B) 72g/ml C) 0.33g/ml D) 3g/ml
A) 17.5g B) 0.094g C) 10.7g D) 24g |